介詞一般用于名詞或起名詞作用的詞

1、介詞 一般用于名詞或起名詞作用的詞之前，用來(lái)表示名詞與句子中其他詞的關(guān)系。介詞不能單獨(dú)作句子成分，但介詞的作用很大。方位介詞 ：on(上面 ), in( 里面 ), under（下面） , near（旁邊） , over（上方） , in front of （前面） , behind（后面） , next to（相鄰） ,beside（緊挨） , between（在兩者中間）時(shí)間介詞 ：at, in, on, for方式介詞 ：by, with常用介詞例句at (表示在某一時(shí)間點(diǎn) )I usually get up at 6 oclock.John goes to school at 8:00

2、.in (表示在 期間，用于周、月、季節(jié)、年、上午、下午、晚上等前面 )on (表示在具體某一天或某一天的上午、下午、晚上 )by (表示用什么方式到達(dá)某地，通常指用什么交通工具)In the evening, Im going to visit my grandparents.In autumn, I can pick up apples.My birthday is in June.What did you do on your holiday?I have music class on Mondays.stChildrens Day is on June 1.I often go to

3、school by bus.In Alaska, some kids go to school by sled.一般現(xiàn)在時(shí)1、定義：表示經(jīng)常發(fā)生或習(xí)慣性的動(dòng)作、狀態(tài)。句中通常有 usually，often，every day，sometimes， always， at weekends， on Sundays等表示經(jīng)常性時(shí)間的短語(yǔ)。2、構(gòu)成：1）當(dāng)謂語(yǔ)是 be 動(dòng)詞時(shí)，一般現(xiàn)在時(shí)的構(gòu)成： 主語(yǔ) be 動(dòng)詞其他如： I am a student. He is Jims father. They are from Germany. be 動(dòng)詞的不同形式單數(shù)復(fù)數(shù)Iyouhe/she/itweyout

4、hey一般現(xiàn)在時(shí)amareisareareare.2）當(dāng)謂語(yǔ)是 行為動(dòng)詞 時(shí)，一般現(xiàn)在時(shí)的構(gòu)成：主語(yǔ)（非第三人稱單數(shù)） 動(dòng)詞原形其他如： I often watch TV at the weekends.Mr Green and Mrs Green like collecting stamps.主語(yǔ)（第三人稱單數(shù)） 動(dòng)詞的第三人稱單數(shù)形式其他如： Jim usually visits his grandparents on Sundays.She sometimes goes to the park with her mother.3、動(dòng)詞三單形式 的變化規(guī)則： 一般情況下，直接加s如： re

5、ad-reads，swim-swims 以 s， x，sh， ch，o 結(jié)尾，加 es如： wash-washes，watch-watches， do-does，go-goes 以輔音字母 y 結(jié)尾，變 y 為 i，再加 es如： study-studies， fly-flies 不規(guī)則變化 如： have-has4、一般現(xiàn)在時(shí)的句型轉(zhuǎn)換：肯定句否定句一般疑問(wèn)句及回答They watch TVThey don t watchTV Do they watch TV every day?every day.every day. Yes, they do. / No, they dont.She w

6、atchesTV Doesshe watch TV every day?She doesn t watchevery day.TV every day. Yes, shedoes. / No, she doesnt.現(xiàn)在進(jìn)行時(shí)時(shí)一、概念現(xiàn)在正在進(jìn)行或發(fā)生的動(dòng)作例： I am reading an English book now. 我現(xiàn)在正在讀一本英語(yǔ)書。當(dāng)前一段時(shí)期內(nèi)的活動(dòng)或現(xiàn)階段正在進(jìn)行的動(dòng)作例： They are living in Beijing these days. 他們這些天一直住在北京。二、與現(xiàn)在進(jìn)行時(shí)連用的時(shí)間狀語(yǔ)有：now，these days，Look! ， Listen

7、!， It is seven oclock.等的提示。三、現(xiàn)在進(jìn)行時(shí)的構(gòu)成：be +現(xiàn)在分詞四、現(xiàn)在進(jìn)行時(shí)態(tài)的肯定式、否定式、疑問(wèn)式及簡(jiǎn)略回答。（1）肯定式： be v-ing（2）否定式： be not v-ingShe is singing in the next room.The students aren t cleaning the room.（3）一般問(wèn)句： be 動(dòng)詞提前?？隙ù鹫Z(yǔ) Yes，主語(yǔ) be，否定答語(yǔ) No，主語(yǔ) be not。 Are you playing the computer game? Yes, I am. /No, I am not.4）特殊問(wèn)句：對(duì)謂語(yǔ)動(dòng)

8、詞進(jìn)行提問(wèn)的：Whatbe 主語(yǔ) doing其他？What is the old man doing under the tree?對(duì)其他成份進(jìn)行提問(wèn)的，疑問(wèn)詞一般疑問(wèn)句？Where is the boy swimming?Who is she waiting for?五、動(dòng)詞現(xiàn)在分詞的構(gòu)成一般在動(dòng)詞尾加ing 例： play playing以不發(fā)音字母 e 結(jié)尾的動(dòng)詞，去e 加 ing 例： make making以重讀閉音節(jié)結(jié)尾，末尾只有一個(gè)輔音字母，先雙寫這一輔音字母，再加 ing 例： put putting一般將來(lái)時(shí)概念：表示將要發(fā)生的動(dòng)作或存在的狀態(tài)。一般構(gòu)成為：be going

9、to + 動(dòng)原或者 will+ 動(dòng)原該時(shí)態(tài)要注意幾個(gè)表示時(shí)間的詞，即看到以下詞組要使用一般將來(lái)時(shí)：thismorning/ this afternoon/ this evening /next week/ next Monday/nextmonth/tonighttomorrowtoday一般過(guò)去時(shí)概念：表示過(guò)去某一時(shí)間所發(fā)生的動(dòng)作或者存在的狀態(tài)。1）一般過(guò)去時(shí)肯定句的基本結(jié)構(gòu)： be 動(dòng)詞： 主語(yǔ) + was/were +其他 比如：He was a student last year. 行為動(dòng)詞：主語(yǔ) + 行為動(dòng)詞的過(guò)去式+其他比如：He cleaned his room last wee

10、kend.該時(shí)態(tài)要注意動(dòng)詞的過(guò)去式，尤其是不規(guī)則動(dòng)詞的過(guò)去式變化。相關(guān)的表示時(shí)間的詞： yesterday/the day before yesterday/last week/two daysago/ before規(guī)則： 1. 直接加 ed: clean-cleaned.watch- watched2. 不發(fā)音的 e 為結(jié)尾，直接加 d： live- lived3. 輔音字母加 y，去 y 變 i , 再加 ed：study- studied.4. 重讀閉音節(jié)為結(jié)尾， 且最后只有一個(gè)輔音字母， 雙寫再加 ed: stop-stopped,plan- planned.（重讀閉音節(jié)：輔音 +元音

11、 +輔音，最后且只有一個(gè)輔音字母）5. 不規(guī)則動(dòng)詞的過(guò)去式： do-didread-readam/is- wasare-were疑問(wèn)詞意思用法例句who誰(shuí)問(wèn)人的身份，姓名He is LiLieWho is he ?等He is my brother.Who is he ?what什么問(wèn)人的職業(yè)或事He is a worker.What is he?物是什么He has a book.What does he have ?which哪一個(gè)問(wèn)一定范圍內(nèi)特The big box is mine. Which box is yours?指的人或物The girl at the door is Ann.

12、 Which girl is Ann?whose誰(shuí)的問(wèn)所屬關(guān)系This is her book.Whose book is this ?This book is hers.Whose is this book?what color什么顏色問(wèn)顏色（表語(yǔ)）My skirt is red. What color is your skirt?What time幾點(diǎn)問(wèn)點(diǎn)時(shí)間We play games at five in the afternoon ?What time do you play games?when什么時(shí)候問(wèn)時(shí)間We play games in the afternoon ?When d

13、o you play games?where什么地方問(wèn)地點(diǎn)（狀語(yǔ)）We play games at home on Sunday ?Where do you play games on Sunday?why為什么問(wèn)原因He isnt at school today because he is ill.Why isnt he at school today ?how怎樣問(wèn)健康狀況、做事的方式等how old多大幾歲問(wèn)年齡how many多少跟復(fù)數(shù)名詞，問(wèn)數(shù)量how much多少跟不可數(shù)名詞問(wèn)數(shù)量或價(jià)錢how heavy多重問(wèn)重量how tall多高問(wèn)身高He is fine/strong.How is he ?I go home by bike.How do you go home?He is ten.How old is he