一般現(xiàn)在時(shí).語法講解PPT.ppt

1、一般現(xiàn)在時(shí),、概念： 經(jīng)常、反復(fù)發(fā)生的動(dòng)作或存在的狀態(tài)及現(xiàn)在的某種狀態(tài)。,1 、肯定式 1)主語 + be (am/is/are)+表語 I am a student. It/ She/He is a teacher. You/They are classmates. 2)主語 +情態(tài)動(dòng)詞（can, must, may, need, shall） I can speak English. She must go to school., 、構(gòu)成形式:,3).主語+行為動(dòng)詞（speak，say，call，go, run.） 1)I speak English. 2)She/He/It speaks

2、 English. 3)They call me Tom. 4)He runs very fast.,注意：在一般現(xiàn)在時(shí)態(tài)的肯定句中，當(dāng)主語是第三人稱單數(shù)（she, he, it），行為動(dòng)詞要加-s或者 es.,2.一般現(xiàn)在時(shí)態(tài)的否定和疑問式,(1).Be動(dòng)詞 肯定句：She is a student.,否定句：She is not a student .,一般疑問句：Is she a student ?,肯定回答：Yes ,she is . 否定回答： No ,she isnt.,（2）.情態(tài)動(dòng)詞 e.g. She can speak Chinese.,否定句：She cant speak

3、Chinese.,一般疑問句：Can she speak Chinese?,肯定回答：Yes, she can. 否定回答：No, she cant.,(3)行為動(dòng)詞,1.e.g. I run very fast.,否定句：I dont run very fast .,一般疑問句：Do you run very fast ?,肯定回答：Yes, I do. 否定回答： No, I dont.,2.e.g. She likes Maths.,否定句：She doesnt like Maths.,一般疑問句：Does she like Maths?,肯定回答：Yes, she does. 否定回答

4、： No, she doesnt.,注意：在一般現(xiàn)在時(shí)態(tài)中，當(dāng)謂語動(dòng)詞是行為動(dòng)詞的時(shí)候，變否定和一般疑問句時(shí)，要借助助動(dòng)詞do和does幫忙。當(dāng)主語是第三人稱單數(shù)(she, he, it)的時(shí)候用does，其他人稱用do. 借助助動(dòng)詞do和does以后，動(dòng)詞要用動(dòng)詞原形。, 、一般現(xiàn)在時(shí)態(tài)的用法：,、表示目前或現(xiàn)在存在的狀態(tài)或特征. e.g. She is often late. 、表示客觀存在及普遍真理。 e.g. The earth is round. 、表示現(xiàn)在經(jīng)常和習(xí)慣性發(fā)生的動(dòng)作，常與 sometimes, often, usually, always, everyday 等時(shí)間狀語

5、連用。 、在時(shí)間狀語從句中表示將來發(fā)生的動(dòng)作。 e.g. If it doesnt rain tomorrow, well go to the park. 、表示按時(shí)間或計(jì)劃將要發(fā)生的動(dòng)作，常與時(shí) 間狀語連用，常用動(dòng)詞為： come, begin, go, leave, arrive, stop, start, return, E.g. Our holidays begin in a week., 、 就單詞的正確形式填空,1.He _ (look) tired. 2.The earth_ (go) round the sun. 3. _ (may) I have your pen? 4.Pr

6、actice _ (make) perfect. 5.They usually_ (come) to school earlier. 6.Class_ (begin) at eight every morning. 7.When he _ (come), well go out to meet him. 8.How _(be) your father ? 9.There _ (be) a school there.,looks,goes,May,makes,come,comes,begins,is,is,一、寫出下列動(dòng)詞第三人稱單數(shù)的變化形式,be have come go stay teac

7、h,write take study watch fly play, 、 Homework,二、將下列句子變成否定式和一般疑問句,1Her name is Li Ling. 2We go to school at night. 3My brother works in a factory.,Her name isnt Li Ling. Is she Li Ling ?,We dont go to school at night Do you go to school at night?,My brother doesnt work in a radio factory. Does your b

8、rother works in a radio factory?,三、單項(xiàng)選擇,1. The Browns _ a nice car and Browns brother _ a nice jeep. A. have, have B. has, has C. have, has D. has, have 2. If their house _ not like ours, what_ it look like? A. is, is B. is, does C. does, does D. does, is,3. - _ you think he will come? - If it _ tomorrow, he will not come. A. Do, rains B. Are, rains C. Do, will rain D. Are, will rain 4. The littl