Lesson 37 Lets Learn Geography!.ppt

1、Lesson 37 Lets Learn Geography!,She waters the flowers every day.,The flowers,What does she do every day?,every day.,are watered,by her,They do their homework after school.,Their homework is done by them after school.,He plays basketball every week.,Basketball is played by him every week.,summary,英語

2、中動(dòng)詞有主動(dòng)語態(tài)和被動(dòng)語態(tài)兩種語態(tài)。主動(dòng)語態(tài)表示主語是動(dòng)作的執(zhí)行者,被動(dòng)語態(tài)表示主語是動(dòng)作的承受者, 在被動(dòng)語態(tài)中動(dòng)作的執(zhí)行者有時(shí)用by短語表示出來。,一般現(xiàn)在時(shí)(simple present)： S(主語)+am/is/are +過去分詞(done),一般過去時(shí)(simple past)： S+was/were +過去分詞(done),2. I bought a computer last term,A computer was bought (by me) last term.,Jim rode the motorbike to his factory yesterday.,The mot

3、orbike was ridden to his factory yesterday.,They had an evening party last week.,An evening party was had last week.,The students planted many trees yesterday.,Many trees were planted by the students yesterday.,Ann can take good care of the cats ,The cats can be taken good care of by Ann. 情態(tài)動(dòng)詞(model

4、 verb)： S+ can/must/should等情態(tài)動(dòng)詞 + be+過去分詞,He can carry the basket.,The basket can be carried by him.,They can sing some beautiful songs.,Some beautiful songs can be sung by them.,Our students mustnt smoke cigarettes.,Cigarettes mustnt be smoked by our students.,Ask and answer,water every day at home

5、 my grandma,A: When are the flowers watered? B: The flowers are watered every day.,A: Where are the flowers watered? B: The flowers are watered at home.,A: Who are the flowers watered by? B: The flowers are watered by my grandma.,A: Are the flowers watered by my grandma at home every day? B: yes, th

6、ey are.,1.People use knives for cutting things. Knives _ _ for cutting things. 2.The students clean the windows of their classroom twice a month. The windows of their classroom_ _ twice a month.,are used,are,cleaned,(變被動(dòng)語態(tài)）,七嘴八舌,3.I found the ticket on the floor. _ _ _ _ on the floor. 4.I told her t

7、o return the book in time. She _ _ to return the book in time.,The ticket was found,was told,3. We found the ticket on the floor .,5. Last year we built a library in our school. A library _ _ in our school last year. 6.Now people can use computers to help them. Now computers _ _ _ to help them.,was

8、built,can be,used,7. Did you plant many trees at this time last year? _ _ _ _ at this time last time? 8.Must we finish our work today? _ our work_ _ today?,Were many trees planted,Must be finished,9. The foreign friends gave us some wonderful stamps. 1) _ _ _ some wonderful stamps. 2) Some wonderful

9、 stamps _ _ _ _.,we were given,were,given to us,10.The teacher asked Tom to turn on the computer. Tom _ _ to turn on the computer. 11.In this factory women do most of the work. Most of the work _ _ by women in this factory.,was asked,is done,12.He can mend the bike in two days. The bike _ _ _ in two

10、 days. 13.You must take this medicine three times a day. This medicine _ _ _ three times a day.,can be mended,must be,taken,Fill in the blanks: Paper ( invent)_ in A.D.105 by Cai Lun in China. It is an important part of our everyday lives, but few people ever think about how it (make) _.Today most paper comes from trees. However, with the concern for the environment (考慮到環(huán)境) , more and more paper (produce) _from recycled paper products. Since paper products are of differen