外研社高一英語必修1語法總結(jié)

1、一、一般現(xiàn)在時(shí)一般現(xiàn)在時(shí)表示經(jīng)常性、 習(xí)慣性的動作, 或表示現(xiàn)在的特征、 狀態(tài)。當(dāng)主語是非第三人稱單 數(shù)時(shí),行為動詞要發(fā)生相應(yīng)的變化。一般現(xiàn)在時(shí)的用法及特點(diǎn) :1 、表示經(jīng)?；蛘叻磸?fù)發(fā)生的動作 . 如 : 我每天吃午飯 . I have lunch every day.2 、還表示現(xiàn)在存在的一種狀態(tài) . 如:我姐姐是一位老師. My sister is a teacher.3 、 客觀真理, 客觀存在, 科學(xué)事實(shí)。 例如:The earth moves around the sun.地球繞著太陽轉(zhuǎn)。4 、一般現(xiàn)在時(shí)態(tài)經(jīng)常與 often (經(jīng)常 sometimes (有時(shí) always (總是

2、usually (通常 等頻率詞連用, 也經(jīng)常與 every day(每天 , every week(每周 , every month(每月 , every term (每學(xué)期 , every year(每年 , once a week (一周一次 , twice a year(一年兩次等 表示時(shí)間的詞連用。5 、第三人稱單數(shù)問題一般現(xiàn)在時(shí)中,當(dāng)主語是第三人稱單數(shù)時(shí),即常在動詞原形后加 -s 或 -es 。1、當(dāng)主語不是第三人稱單數(shù)時(shí),結(jié)構(gòu)是:肯定句 : 主語+行為動詞原形+其他 We speak Chinese.否定句 : 主語+dont +行為動詞原形+其他 We dont speak C

3、hinese.一般疑問句:Do +主語+行為動詞原形+其他? Do you speak Chinese?肯定回答:Yes ,主語+do Yes, we do.否定回答:No ,主語+dont No, we dont.2、當(dāng)主語是第三人稱單數(shù)時(shí),謂語動詞不能用原形了,而是要相應(yīng)的變化, 其變化規(guī)則是:動詞原形變第三人稱單數(shù)的規(guī)則與發(fā)音規(guī)律同名詞單數(shù)變復(fù)數(shù)大致相同,請認(rèn)真觀察。 1、大多數(shù)動詞在詞尾加 S 在清輔音后發(fā)音為 s,在濁輔音及元音后發(fā)音為 z。如: stop -stops s ; make-makes s read -reads z ; play-plays z 2 、 以輔音字母加

4、y 結(jié)尾的,要先將 y 變?yōu)?i ,然后在加 es 讀 iz 如: fly-flies z; carry -carries z study-studies z; worry-worries 3 、以 s, x, ch, sh 結(jié)尾的,在詞尾加 es ,發(fā)音為 iz 如: teach-teaches iz; watch-watches iz 4 、 以 o 結(jié)尾的動詞, 加 es , 讀 z 如: go -goes z do-does z其結(jié)構(gòu)是:肯定句:主語 +動詞的第三人稱單數(shù) +其他 He speaks English.否定句:主語 +doesn't+動詞原形 +其他 He doe

5、sn't speak English.一般疑問句:Does +主語 +動詞原形 +其他 ? Does he speak English?肯定回答:Yes ,主語+does. Yes, he does.否定回答:No ,主語+doesn't. No, he doesn't.練習(xí)題:work watch clean write teach wash play read do fly study go drink cry have sit Swim make run carry leave arrive jump come Speak wear walk buy help p

6、ack take talk tell know look love live eat want say1. He_ TV every evening. (watch2. We always _ to school on foot. (go3. Tom, with his classmates, often _ football after school. (play4. Your shoes _ under the bed. (be5. _ here and _ by me. (come, stand6. His uncle usually _ to work by bus. (go7. I

7、always _ up at six in the morning.(get8. John _ like his father. (look.布萊克太太經(jīng)常在英語上幫助我們。Mrs. black often _ us _ our English .用詞的適當(dāng)形式填空。1.What time_ his father_(do the work?2.He _(get up at five o clock.3._you_(brush your teeth every morning.4.What _ ( do he usually _( do after school?5.Tom _ ( study

8、English, Chinese, Maths, Science and Art at school.6. Kitty sometimes _(go to the park with his sister.7.At eight at night, she _( watch TV with her parents.8._Mike_( read English every day?9.How many lessons_ your classmates_( have on Monday? 10.We often_ ( play football in the playground.( 1. _ yo

9、u have a book?A. DoB. AreC. IsD. Have(2. They _ on a farm.A. workingB. is workC. workD. is worked( 3. Does Peter like to watch TV?_.A. Yes, he likeB. No, he doesn t C. Yes, he d likeD. No, he likes (4. She doesn t _ her homework in the afternoon. A. doingB. to doC. doesD. do(5. How _ Mr. Brown _ to

10、America?A. do,goB. is,goC. does,goD. does,goes(6. Where s my camera? I_ it.A. am not findingB. am not seeingC. can t findD. can t look at (7. How_ he go to work?He _ to work by bike.A. does ;goB. do;goesC. do ;goD. does;goes(8. _ you usually late for school? No, _.A. Do ; I amB. Does ;notC. Are ; I

11、m notD. Are ; I aren t(9. _ she _ home at six every day?A. Is , leaveB. Does , leaveC. Is , leavesD. Does , left(10. Mr. Yang _ English this term.A. teaches ourB. teaches usC. teaches usD. teach our填空題 1.Let him _(playbasketball.2.Everyone_(knowwhat he really like.3.Those girls_(bemy sisters.4.That

12、girl_(callme every Sunday.5.How_(doshe_(spellthe word?用括號里面的詞的適當(dāng)形式填空1. The desk _(havefour legs.2. She _ (do her homework every day.3. This problem is easy, _ (say Ann.4. He _ (live in Shijiazhuang.5. He _ (need a pair of shoes.6. Does Danny_ (see the apple tree?7. She_ (come from America.8. The gir

13、l _ (look out of the window and sees many birds in the sky.9. Jenny runs home and_ (sit on the chair.10. The train_ (leave at 10:13 in the morning.11. That hat _ (look like a cat.12. Danny _ (hurt his nose.13. Danny_ (fall and breaks his tail.14. Danny and her mother sometimes _ (go for a walk after

14、 supper. 15. My mother _ (walk to the office every day.5 、用括號里所給詞的適當(dāng)形式,寫出下列句子的否定句。1.The desk _ _ (havefour legs.2. She _ _ (do her homework every day.3. Danny_ _ (fall and breaks his tail.4. He _ _ (live in Shijiazhuang.5. He _ _ (need a pair of shoes.6. Danny_ _ (see the apple tree.7. She_ _ (come

15、from America.8. My mother and father_ _ (walk to the office every day.9. Danny and her mother sometimes _ _ (go for a walk after supper. 10. The train_ _ (leave at 10:13 am.11. That hat _ _ (look like a cat.12. Danny _ _ (hurt his nose.二、現(xiàn)在進(jìn)行時(shí)現(xiàn)在進(jìn)行時(shí)表示動作發(fā)生的時(shí)間是 現(xiàn)在 ,動作目前的狀態(tài)是 正在進(jìn)行中 。所謂 正在進(jìn) 行中 ,是指在說話時(shí)動作正在

16、進(jìn)行中?，F(xiàn)在進(jìn)行時(shí)的構(gòu)成是 :主語 +be+v.ing現(xiàn)在分詞形式第一人稱 單數(shù) I+am+doing+Sth.第一人稱 復(fù) 數(shù) We+are+doing +Sth. 第二人稱單 (復(fù) 數(shù) You+are+doing+Sth. 第三人稱單數(shù) He (She , it +is+doing+Sth. 第三人稱復(fù)數(shù) They+are+doing +Sth. 肯定句 :主語 +be(is/am/are +現(xiàn)在分詞 否定句:主語 +be(is/am/are +not+現(xiàn)在分詞 一般疑問句 :be(is/am/are +主語 +現(xiàn)在分詞特殊疑問句 :特殊疑問詞 +相應(yīng) be 動詞 +主語 +現(xiàn)在分詞 +S

17、th?變化規(guī)則1. 直接 + ing(例:sleep+ing sleeping2. 去掉不發(fā)音的 e+ing(例:bite-e+ing biting3. ,且末尾只有 1個(gè) ,雙寫輔音字母 +ing(例:sit sitting beginning,getting,putting run - running stop - stopping cut - cuttingcontrol - controlling4. 特殊變化:die-dying,lie-lying , tie-tying現(xiàn)在進(jìn)行時(shí)的基本用法:A 表示現(xiàn)在 ( 指說話人說話時(shí) 正在發(fā)生的事情。 例: We are waiting fo

18、r you. B . 習(xí)慣進(jìn)行:表示長期的或重復(fù)性的動作,說話時(shí)動作未必正 在進(jìn)行。 例:Mr. Green is writing another novel. (說話時(shí)并未在寫,只處于寫作的 狀態(tài)。 例:She is learning piano under Mr. Smith. C . 已經(jīng)確定或安排好的 將來 活動, 表示將要發(fā)生的動作,一般跟時(shí)間狀語,表明動作發(fā)生的時(shí)間。常見的動詞有:come 、 go 、 begin 、 leave 、 start 等短暫性動詞。 I'm leaving for a trek in Nepal next week.(已經(jīng)安排了 we'

19、re flying to Paris tomorrow.(票已經(jīng)拿到了 D 、 現(xiàn)在進(jìn)行時(shí)可與 always constantly continually等副詞連用, 表示一種感情色彩。 She is always singing in her room.她老是在她房間里唱歌 (厭 惡的感情 。可用來表示現(xiàn)在進(jìn)行時(shí)的 時(shí)間狀語 ,常用的有:now, this week, at this moment 等;或者告 訴你一個(gè)準(zhǔn)確的現(xiàn)在時(shí)間,或者用 look, listen提醒聽者注意正在發(fā)生的事。例如:They are playing basketball now.現(xiàn)在他們正在打籃球。Listen

20、! She is singing an English song.聽,她正在唱英語歌。Look at the picture. The children are flying kites in the park. 看這幅圖那些孩子正在公園放風(fēng) 箏。 We are making model planes these days.這些天我們在做飛機(jī)模型。It's 6:30 now. I am getting up. 現(xiàn)在是 6:30. 我正在起床。I. 用括號中動詞的適當(dāng)形式填空:1. My parents _ _(watch TV now.2. Look. Three boys _(run

21、 .3. What _ _ your mother _(do now?4. Are_ your dog _ _ now?(sleep 5. _ you _ _ _(listen to music? Yes, I am.6. Look, Miss Chen _ _ football.(play 7. Tom and his sister _ _(wait for you over there.8. Now Class 3 and Class 4_ _ _(have a test.9. Listen, someone _ _(sing in the classroom.10.Where is Zh

22、ang Yan? She _ _(talk with her teacher in the teacher s office.II. 選擇填空:( 1. Who _ over there now? A. singing B. are sing C. is singing( 2. It s nine ten. The students _ a music class.A. have B. having C. are having( 3. Listen! The boy _. A. crying B. is crying C. cries ( 4. Don t talk here. Grandpa

23、rents _.A. sleep B. is sleeping C. are sleeping( 5. Is the man _ tea or milk? A. drinks B. drink C. drinking III. 按要求進(jìn)行句型轉(zhuǎn)換:1. Look! Lily is dancing.(改為一般疑問句_ _ _2. Kate is looking for her watch.(改為否定句_3. Mrs White is watching TV.(對劃線部分提問_ Mrs White _4. I am doing homework.(改為否定句_5. They are waiting

24、 for you at the library.(就劃線部分提問_ _they_IV. 根據(jù)中文提示完成句子:1. 小花不是在寫作業(yè),她在畫畫。Xiao Hua _ _ homework _ pictures.2. 今天李老師穿著一件紅色的連衣裙。Miss Li _ _ a red dress today.3. 你爺爺在看報(bào)紙嗎?_ _ your grandpa _ _ the newspaper?4. Tom和 Jim 在做什么?_What _ Tom and Jim _ _?5. 他們是在打籃球還是在打排球?_ _ they _ _ basketball _ _ volleyball?6.

25、 孩子們在干什么?他們在唱歌、跳舞。_the children _? They _ _ _ _ and _. 7. 你喜歡跑步嗎?不。_ you _like _ _ ? No, I_ _.V. 改錯(cuò):1. People like swim in summer.(_ _2. He is go to the park with his mom. (_3. Are you listen to me?(_4. I am not writing a letter.(_5. Does she still helping Li Ling?(_VI. 將下列句子譯成英語:1. 在這張照片中,我的小弟弟在吃冰淇

26、淋。_2. 你在等誰?_3. 現(xiàn)在,他們在打籃球嗎?_4. 我正在打掃教室。_5. 那個(gè)男孩不是在彈吉它。_三、一般過去時(shí)一般過去時(shí)表示過去某個(gè)時(shí)間里發(fā)生的動作或狀態(tài); 過去習(xí)慣性、 經(jīng)常性的動作、 行為;過去主語所具備的能力和性格?；窘Y(jié)構(gòu):主語 +動詞過去式 +其他;否定形式 was/were+not;一般疑問句 was/were+主語 +其他。在行為動詞前加 didn't ,同時(shí)還原行為動詞;一般疑問 句 Did+主語 +do+其他。1. Be 動詞的一般過去時(shí)態(tài) .在沒有實(shí)義動詞的句子中使用 be 動詞, am/ is 的過去式為 was; are 的過去 式為 were. 構(gòu)

27、成:肯定句:主語 +was (were +表語 如:I was late yesterday. (昨天我遲到了。 否定句:主語 +was (were +not+表語 如:We weren't late yesterday. (我們昨天沒遲到 疑問句:Was (Were +主語 +表語 如: Were you ill yesterday? (你昨天病了嗎? 肯定回答:Yes, I was. (是的, 我病了。 否定句:No, I wasn't. (不,我沒病。 特殊疑問句:特殊 疑問詞 +was (were +主語 +表語 如:When were you born? 你是什么時(shí)候

28、出 生的? 2. 實(shí)義動詞的一般過去時(shí)態(tài) 肯定句要使用動詞的過去式, 否 定句和疑問句要使用助動詞 do 和 does 的過去式 did. 肯定句為:主語 +動 詞過去式 +賓語 如:I went home at nine o'clock yesterday.(我昨天九點(diǎn)鐘回 的家。 否定句:主語 +didn't +動詞原形 +賓語 如:I didn't go home yesterday. (我昨天沒回家。 疑問句:Did +主語 +動詞原形 +賓語 如: Did you go home yesterday? (你昨天回家了嗎? 肯定回答:Yes, I did. (是

29、 的,我回了。 否定回答:No, I didn't. (不,我沒回家。 3. 助動詞和情 態(tài) 動 詞 過 去 式 如 下 :shallshould (將 要 用 于 第 一 人 稱 單 數(shù) willwould (將要用于所有人稱 can could (能,會 maymight (可 以 mustmust (必須 have tohad to (不得不 助動詞和情態(tài) 動詞的過去時(shí)態(tài)要使用他們的過去式, 后面的動詞還使用原形。 如:I had to do my homework yesterday. (昨天我不得不做作業(yè)。 時(shí)間狀語 :Ago (two hours ago(一段時(shí)間 +ago

30、 , yesterday(句子開頭或結(jié)尾 , the day before yesterday, last week,last(year, night, month, 具體時(shí)間(如 Jan.fourth, just now, at the age of , one day, long ago, once upon a time(很久以前 , and so on,this morning.long long ago.動詞變化規(guī)則規(guī)則變化:1. 直接加 ed :work worked look looked play played, 2. 以 e 結(jié)尾的單詞,直接加 d :live lived h

31、ope hoped use used, 3 以輔音字母 +y結(jié)尾的,變 y 為 i 加 ed :study studied carry carried worry worried, 4以元 音字母 +y結(jié)尾的,直接加 ed :enjoy enjoyed 5 以重讀閉音節(jié)結(jié)尾的,雙寫最后的 輔音字母 +ed:stop stopped plan planned口訣一般過去時(shí)并不難,表示過去動作、狀態(tài)記心間。 動詞要用過去式,時(shí)間狀語句 末站。 否定句很簡單, didn't 站在動詞原形前,其它部分不要變。 一般疑問句也 好變, did 放在句子前,主語、動原、其它部分依次站。 特殊疑問句也

32、簡單,疑問詞加 一般疑問句記心間。 最后一條請注意,動詞過去式要牢記。練習(xí)題:一、句型轉(zhuǎn)換1. The children had a good time in the park.否定句:_一般疑問句:_對劃線部分提問:_2. There were about nine hundred people at the concert.否定句:_一般疑問句:_對劃線部分提問:_3. Ann did her homework yesterday evening.否定句:_一般疑問句:_對劃線部分提問:_4. Last week I read an English book.否定句:_一般疑問句:_肯定

33、/否定回答:_對劃線部分提問:_5. My brother was in the park just now.否定句:_一般疑問句:_對劃線部分提問:_二、寫出下列動詞的第三人稱單數(shù)形式、過去式形式go _ _ enjoy _ _buy _ _ eat _ _get _ _ walk _ _take _ _ dance _ _write _ _ run _ _swim _ _ find _ _begin _ _ eat _ _play _ _ study _ _三、用所給詞的適當(dāng)形式填空。1. Tom and Mary _ (come to China last month.2. Mike _

34、(not go to bed until 12 o'clock last night.So he _ (get up late.3. Mary _ (read English yesterday morning.4. Tom _ (begin to learn Chinese last year.5. My mother _ (not do housework yesterday.6. There _ a telephone call for you just now. (be7. -When _ you _ (come to china? -Last year.8. _ (be it

35、 cold in your city yesterday?9. How many people _ (be there in your class last term?10. There _ (be a football match on TV yesterday evening, but I _ (have no time to watch it.四、改錯(cuò)題 (請改正每個(gè)句子中的一個(gè)錯(cuò)誤 1. How is Jane yesterday? _2. He go to school by bus last week. _3. He goes home at 6:00 last month. _4

36、. I can fly kites seven years ago. _5. Did you saw him just now. _6. Tom wasn't watch TV last night. _7. I did not my homework yesterday. _8. He wait for you three hours ago. _9. Who find it just now? _II. 翻譯下列句子1. 我過了一個(gè)忙碌但卻刺激的周末。_ _ _ _but exciting weekend.2. 上周六他們做什么了?他們做作業(yè)和購物了。What _ they _ _

37、 Saturday?They _ _ homework and _ _ _.3. 今天早上方方得做飯,因?yàn)樽蛲硭赣H不在家。This morning Fangfang _ _ _ _ because his father _ _ _ yesterday.4. 他在打掃教室的時(shí)候,發(fā)現(xiàn)地上有塊表。When he _ the classroom, he _ a watch on the ground.5. 他什么時(shí)候出生的? 1980年。-When _ he _ -_ 1980.四.現(xiàn)在完成時(shí)?，F(xiàn)在 完成時(shí)(Present perfect 過去 發(fā)生并且已經(jīng)完成的動作對現(xiàn)在造成影響或 后果,過去某

38、一時(shí)間開始并一直持續(xù)到現(xiàn)在并且有可能還會持續(xù)的動作或狀態(tài)。 2. 用法 :(1表示動作發(fā)生在過去某個(gè)不確定的時(shí)間,但對現(xiàn)在留下了某種影響和結(jié)果。常被 just 、 already 、 yet 等副詞修飾。如:-Have you had lunch yet? -Yes,I have. I've just had it.你(已經(jīng)吃午飯了嗎? 我剛剛吃過。 (現(xiàn)在我不餓了(2表示從過去某一時(shí)刻開始一直持續(xù)到現(xiàn)在的動作或狀態(tài)。這個(gè)動作可能剛停止,可能 仍然在進(jìn)行。常帶有 for 和 since 等表示一段時(shí)間的狀語。如:He has taught here since 1981.他自 1981

39、年就在這兒教書。 (可能還要繼續(xù)教I have't seen her for four years. 我有四年沒見到她了。3.結(jié)構(gòu) (1 . 陳述句結(jié)構(gòu):主語+have( has(not +過去分詞+其它。have not=haven t has not=hasn t.2 . 一般疑問句結(jié)構(gòu):Have( Has +主語+過去分詞+其它?3 . 特殊疑問句:特殊疑問詞+have(has +主語 + 過去分詞+其它?eg. He has already finished his homework.He hasn t finished his homework yet.Has he fini

40、shed his homework yet?-Yes, he has./ No, he hasn t./ No, not yet.(3表示說話前發(fā)生過一次或多次的動作,現(xiàn)在成為一種經(jīng)驗(yàn),一般譯為漢語 過 , 常帶有 twice, ever, never, three times等時(shí)間狀語。如:I have been to Beijing twice.我去過北京二次。4. 現(xiàn)在完成時(shí)的時(shí)間狀語(1現(xiàn)在完成時(shí)屬于現(xiàn)在時(shí)范圍,故不能和過去的時(shí)間狀語連用。如:yesterday,last Sunday,in1990,three years ago等。但是,在強(qiáng)調(diào)動作產(chǎn)生的后果和影響時(shí),可以和一些 表示

41、不確定的時(shí)間狀語連用。(2 a. 用副詞 already 和 yet 。 already 一般用于肯定句中, yet 一般用于否定句和 疑問句 中。如:We have already finished our homework.我們已完成作業(yè)了。They haven't finished their homework yet.他們還沒有完成作業(yè)。b. 用 ever 和 never 。 多用于否定或疑問句中, 表示 曾經(jīng) 或 從未 等。 如:-Have you ever been to the Great Wall?你曾經(jīng)去過長城嗎?-I have never been to the G

42、reat Wall.我從未去過長城。c. 用表示到說話為止的過去時(shí)間狀語,如 just, before, up to now, the past few years等。 例如:I have seen her before, but I can not remember where.我以前見過她,但記不起在哪里見過。He has been there three times the last few days.近幾年他去過那里三次了。d. 用包括 現(xiàn)在 在內(nèi)的時(shí)間狀語,如:now, today, this morning (month ,year, term等。例 如:-Have you met

43、 him today?-No,I haven't.今天你見過他嗎?我 沒有。How many times have you been there this ?今年你去過那里嗎?(2現(xiàn)在完成時(shí)可以和帶有 since 或 for 等表示 一段時(shí)間 的狀語連用 , 表示動作或狀態(tài)從 某一時(shí)刻開始,一直持續(xù)到現(xiàn)在。如:I haven't seen him for two years. 但是,像 come, arrive, buy等終止性動詞不能與表示 一段時(shí)間 的狀語連用。要用,必須改為 be (在 等延續(xù)性動詞來表述?，F(xiàn)歸納總結(jié)一下由非延續(xù)性動詞到延續(xù)性動詞的轉(zhuǎn)換:arrive be

44、 here begin(start be ondie be dead come back be backleave be away fall ill(sick,asleep be ill(sick,asleepget up be up go out be outfinish be over put on wear 或 be onopen be open join be in或 be a member ofclose be closed go to school be a studentborrow keep buy havecatch(a cold have(a cold get to kno

45、w knowbegin to study study come to work work 等如:He has been a soldier for three years.他參軍三年了。His father has been dead for two years.他父親去世二年了。The film has been on for ten minutes.電影已開始十分鐘了。We have studied English for three years. 我們(開始學(xué)英語已三年了。5. 現(xiàn)在完成時(shí)和一般過去時(shí)的區(qū)別:現(xiàn)在完成時(shí)和一般過去時(shí)都表示在過去完成的動作。 但 現(xiàn)在完成時(shí)強(qiáng)調(diào)的是這一動作與

46、現(xiàn)在的關(guān)系。 如對現(xiàn)在產(chǎn)生的結(jié)果或影響等, 而一般過去時(shí)只表示動作在過去某一時(shí)刻發(fā)生,不表示和現(xiàn)在的關(guān)系。試比較:I have lost my new book. 我把新書丟了。 (現(xiàn)在還未找到I lost my new book yesterday. 我昨天把新書丟了。 (昨天丟的,現(xiàn)在找到與否沒說明6. 幾點(diǎn)注意事項(xiàng)7. (1 have been(to與 have gone( to的區(qū)別:have been(to表示 去過某地(現(xiàn)在已經(jīng)回 來了 ,可用于各人稱; have gone(to表示 去某地了(說話時(shí)某人不在當(dāng)?shù)?,常用于 第三人稱,前者可與 once ,never,several

47、 times等連用,后者則不能如:They have been to Beijing twice.他們?nèi)ミ^北京兩次。He has gone to Beijing . 他去北京了。(2如單純表示一段時(shí)間,或強(qiáng)調(diào)一段時(shí)間,雖有 since 一詞,也不必用完成時(shí)如:It is two years since his father died. =His father has been dead for two years.他父親去世已有三年了。(3終止性動詞現(xiàn)在完成時(shí)的否定式,已變成一種可以延續(xù)的狀態(tài),因此可以和表示一段 時(shí)間的狀語連用。如:I haven't left here since 1997.自從 1997年以來,我一直沒有離開過這兒。現(xiàn)在完成時(shí)練習(xí)Exercises7A 用 have(has been 或 have(has gone 填空。A: Where _ Li Fei _?B: He _ to Hainan Island.A: How long _ he _ there?B: He _ there for three days.A: When wi