一般現(xiàn)在時(精講)75202ppt課件

1、.,一般現(xiàn)在時,表示現(xiàn)在經常反復發(fā)生的動作、存 在的狀態(tài)或習慣性的動作的時態(tài)。,.,常與一般現(xiàn)在時連用的詞：,.,1、every系列,every,day year month week morning afternoon evening,.,、頻率副詞 never,.,、次數(shù),一次once兩次 twice 三次 three times 一周兩次 twice a week 每周四次 four times a week 每周六 on Saturdays 每周日 on Sundays,.,1.表示現(xiàn)在的狀態(tài)： e.g. Hes twelve. Shes at work. 2.表經?；蛄晳T性的動作：

2、e.g. I get up at 6:30 every day. He reads English every morning. 常用的狀語：often , sometimes , usually , every day 等。 3.表主語具備的性格和能力等： e.g. She likes noodles. They speak French. 4.表示不受時間限制的普遍真理和自然規(guī)律： e.g. Two and four is six. The moon goes around the earth.,.,一般現(xiàn)在時的構成,一、系動詞be的一般現(xiàn)在時 二、情態(tài)動詞的一般現(xiàn)在時 三、實義（行為）動

3、詞的一 般現(xiàn)在時,.,一、系動詞be的一般現(xiàn)在時,1、構成：,主語 + be + 其他,2、be 包 括 哪 些 ？,is am are,3、 什么時候用is？ 什么時候用am？ 什么時候用are？,取決于主語是單數(shù) 還是復數(shù),The girl is my friend.,.,主語為單數(shù)時 主語為復數(shù)時 主語為“I”時 ,is,are,am,.,Exercise,1、Kitty an English girl. 2、We students. 3、I from Taizhou. 4、She tall. 5、Lucy and Lily good friends. 6、Those chairs br

4、oken. 7、The bag mine.,is,are,am,is,are,are,is,.,否定句的構成,主語 + be + not + 其他,is not = am not= are not=,isnt,m not,arent,.,1、Kitty (not) an English girl. 2、We (not) students. 3、I (not) from Taizhou. 4、She (not) tall. 5、Lucy and Lily （not）good friends. 6、Those chairs (not) broken. 7、The bag (not) mine.,i

5、snt,arent,am not,isnt,arent,arent,isnt,.,情態(tài)動詞的一般現(xiàn)在時,構成,主語 + 情態(tài)動詞 + 動詞原形+其他,She can speak English.,注意：情態(tài)動詞后的動詞一定要用原形,Eg: They should(應該) be right.,試比較：They are right. She speaks English.,.,否定句的構成,主語 + 情態(tài)動詞 + not + 動詞原形 + 其他,can not = could not = must not = would not = will not = should not = may not

6、=,cant,couldnt,mustnt,wouldnt,wont,shouldnt,may not,.,She (can not) speak English. You (must not) open the door. They (should not) be right. I (will not) go to Japan.,.,行為動詞的一般現(xiàn)在時,構成,主語 + 行為動詞 + 其他,These boys like playing football.,The girl reads English every morning.,注意：當主語為第三人稱單數(shù)時， 行為動詞要加s或者es,什么

7、時候加s，什么時候加es呢？,.,1、大多數(shù)動詞在詞尾直接加s， 如read reads look looks play plays 2、以輔音字母加y結尾的動詞，要先將y變?yōu)閕，再加es 如：fly flies carry carries study studies 26個字母中 除A E I O U五個元音字母外，其余21個都是輔音字母 3、以“s, x, ch, sh”結尾的，在詞尾加“es”，發(fā)音為iz 如： teachteaches iz; watchwatches iz box-boxes 4、以“o”結尾的動詞，加“es”，讀z 如： gogoes z dodoes z,.,Co

8、mplete the sentences. Use the simple present tense of the verbs in brackets,My father_(listen) to the radio every day. Mike_ (study) in a middle school. She_(take) Eddie for a walk after supper. He_(wash) clothes with his hands. Simon _ (pass) the ball to Daniel. Miss Li_ (teach) Chinese. Look at th

9、e animal, it _ four legs.,listens,takes,studies,washes,passes,teaches,has,8,.,否定句的構成,主語 + 助動詞（do/does）+not +行為動詞原形 + 其他,These boys dont（do not） like playing football.,The girl doesnt （does not）read English every morning.,什么時候用助動詞do，什么時候用助動詞does呢？,取決于主語,The girl reads English every morning.,These boy

10、s like playing football.,.,當主語為復數(shù)時，用助動詞do構成否定 當主語為單數(shù)時，用助動詞does構成否定,注意：dont 和 doesnt 之后動詞一定要用原形,.,Change the following sentences after the models.,I like red. (green) They like apples. (oranges) We take a bus to school every day. (walk to school),Model 1: I like fish. (meat) I dont like meat. Model 2

11、. He likes reading. (writing) He doesnt like writing.,I dont like green.,They dont like orange.,We dont walk to school every day.,10,.,4. His brother plays football after school. (play basketball) 5. It looks like a cat. (hat) 6. She has a dog at home. (a cat),Model 1: I like fish. (meat) I dont lik

12、e meat. Model 2. He likes reading. (writing) He doesnt like writing.,His brother doesnt play basketball.,It doesnt look like a hat.,She doesnt have a cat at home.,11,.,Complete the sentences. Use the proper verb forms in brackets,1. Jordan _(play) basketball. He _(not play) football. 2. I _(go) swim

13、ming on Sunday. But I_ (not go) shopping. 3. My cousins _(enjoy) computer games. But they _(not enjoy) ball games. 4. You _(like) fish. But he _(not like) fish.,plays,doesnt play,go,dont go,enjoy,dont enjoy,like,doesnt like,12,.,一般疑問句,一般說來，英語中共有四種問句，分別是： 1、一般疑問句 2、特殊疑問句 3、選擇疑問句 4、反意義疑問句 今天我們來學習一般疑問句

14、。那么，什么是一般疑問句呢？我們一起來聽聽一般疑問句的自白：,.,“Hello, 大家好！我是一般疑問句，我的天性是愛發(fā)問。我最愛做的事是詢問某種情況是否屬實，您不對我做出肯定或否定回答我是不會罷休的。您也可用肢體語言來打發(fā)我，比如點頭或則搖頭。所以我有一對好朋友，猜猜是什么？,.,第一家族：含be動詞或情態(tài)動詞 的一般疑問句,.,Yes，it is.,No，it isnt.,1、Is this your English book ？,注意：在回答時，主語要用相應的代詞代替,be + 主語 + 其它部分？,肯定回答：Yes，主語+be,否定回答：No，主語+be+not,be,主語,其他,.,

15、2、Can you speak English ?,Yes，I can.,No，I cant.,肯定回答：Yes，主語+情態(tài)動詞,否定回答：No，主語+情態(tài)動詞+not,情態(tài)動詞 + 主語 + 動詞原形 + 其它部分？,注意：在回答時，主語要用相應的代詞代替,情態(tài)動詞,主語,動詞原形,其他部分,.,含be或情態(tài)動詞一般疑問句的改寫,秘訣：一調二改三問號一調：即把句中的be或情態(tài)動詞調到主語前；二改：改換主語稱謂，即將句中的主語I my mine we our ours等第一人稱分別改為相應的第二人稱you your yours等；三問號：句末的句號改為問號,.,I am an English

16、teacher., Are you an English teacher?,We can speak English, Can you speak English ？,.,含be的一般疑問句、否定句改寫口訣,你用am，你用are，is連著她他它 單數(shù)名詞用is，復數(shù)名詞全用are 變疑問往前提，句末問號莫丟棄， 變否定更容易，be后not莫忘記， 疑問否定任你變，句首大寫莫遲疑！,.,第二家族：行為動詞一般疑問句的構成,.,問句： Do your parents like English？ 肯答： Yes，they do. 否答： No，they dont.,助動詞 + 主語 + 動詞原形 +

17、 其它？,肯定回答用“Yes, 主語+ do/does.” 否定回答用“No, 主語+do not/does not.” 助動詞也常用縮寫形式，主要有dont，doesnt,.,特別注意：對于第二家族一定要注意動詞的還原， 因為時態(tài)與數(shù)的變化已經體現(xiàn)在助動詞上了。,.,第二家族：含行為動詞（或稱為實義動詞）一般疑問句的改寫,秘訣：一加二改三問號一加：即在句首加助動詞Do或Does；二改：1、把謂語動詞改為原形； 2、改換主語稱謂（同第一家組）；三問號：句末的句號改為問號。,.,We read English every morning., Do you read English every m

18、orning?,Toms father listens to English on the radio every evening ., Does Toms father listen to English on the radio every evening?,.,句型轉換,1. Mr. Green comes from Shanghai. (改為一般疑問句) 2. Millie lives in a flat in Beijing. (改為否定句),Does Mr. Green come from Shanghai?,Millie doesnt live in a flat in Beij

19、ing.,.,3. Daniel enjoys playing computer games. (改為一般疑問句并做肯定回答),Does Daniel enjoy playing computer games?,Yes, he does.,.,some、any,一般說來，some 用于肯定句中，any 用于否定句和疑問句中 。,改疑問句或否定句時，原句里的some要改成any,There are some books on the desk. (改為否定句),There arent any books on the desk.,Are there any books on the desk?,

20、.,Why not buy some apples? 為什么不買些蘋果呢? Would you like some more apples? 你要不要再吃點蘋果?,注意：在表示建議或希望得到肯定回答時， some可用于疑問句，不用變成any.,.,and or,變否定句時，and要變成or,There is some air and water on the moon ., There isnt any air or water on the moon.,He has some brothers and sisters.,He doesnt have any brothers or sisters.,.,在否定句當中，too要改為either,I like eating apples, too.,I dont like eating apples, either.,.,知識擴展：一般現(xiàn)在時表將來 1）下列動詞：come, go, arrive, leave, start, begin, return的一般現(xiàn)在時表