2019小升初英語總復(fù)習(xí) 第三章 句型 第一節(jié) 陳述句課件.ppt

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1、第三章 句 型,在英語中，根據(jù)句子用途的不同，可以分為陳述句、疑問句、祈使句和感嘆句四類。此外，there be句型作為一種特殊而重要的句型，在小學(xué)階段也應(yīng)注意掌握。,知識梳理,一、陳述句的概念 陳述句是用來陳述事實或者說話人的看法的句子。它包括肯定句和否定句兩種。在書寫時句末用句點，在朗讀時用降調(diào)。 如：This is a nice book. ( ) Susan likes maths very much. ( ) My father doesnt go to work on weekends. ( ) They arent going to climb th

2、e mountain this Saturday. ( ),第一節(jié) 陳述句,,,,,二、肯定句變否定句的基本方法 1. 句中有be動詞的句子：變?yōu)榉穸ň鋾r只需在be動詞后加not。 如：(1)I am in Grade Six this year. Im not(I am not) in Grade Six this year. (2)Mike is going to play football this afternoon. Mike isnt(is not) going to play football this afternoon. (3) These are red apples.

3、 These arent(are not) red apples. (4) It was a fine day yesterday. It wasnt(was not) a fine day yesterday. (5) We were happy at that time. We werent(were not) happy at that time.,2. 句中含有情態(tài)動詞的句子：變?yōu)榉穸ň鋾r只需在情態(tài)動詞后加 not。 如：(1) Peter can fly. Peter cant(can not) fly. (2) You should stop smoking now. You

4、shouldnt(should not) stop smoking now. 3. 實義動詞的否定句:謂語動詞為行為動詞的句子變?yōu)榉穸ň鋾r，要根據(jù)時態(tài)選用do的相應(yīng)形式(do, does, did)，并在其后加 not。 如：(1)I like listening to music. I dont like listening to music. （2）My father likes playing sports. My father doesnt like playing sports.,(3) Grandma does housework every day. Grandma doe

5、snt do housework every day. (4) He did his homework last night. He didnt do his homework last night. 【注】加do not, does not或did not改為否定句以后，要把原句的動詞改為動詞原形，特別是當(dāng)原句中的謂語動詞是第三人稱單數(shù)形式does或過去式did時，改為否定句一定要記得在doesnt或didnt之后加上do。,4. 幾種特殊形式的否定句 (1) 肯定句中含有every的合成詞時，變?yōu)榉穸ň鋾r將其改為no的合成詞。 如：Everything is ready Nothin

6、g is ready (2) 肯定句中含有always，usually或ever時，變?yōu)榉穸ň鋾r將其改為never。 如：He is always late for school He is never late for school I usually go to the park on foot. I never go to the park on foot. (3) 肯定句中含有many或much時，變?yōu)榉穸ň鋾r將其改為few或little。 如：Many students know him Few students know him There is much milk i

7、n the bottle. There is little milk in the bottle.,(4) 肯定句中含有both，both and 或all時，變?yōu)榉穸ň鋾r將其改為neither，neither nor 或none，并注意謂語動詞要相應(yīng)變化。 如：Both of us are students Neither of us is a student Both you and I are right. Neither you nor I am right. All the students are in the classroom. None of the students

8、is in the classroom. (5)“I think ”句式變?yōu)榉穸ň鋾r，只要在think之前加 dont 即可。 如：I think you are right. I dont think you are right.,考點精析,考點1 考查陳述句基礎(chǔ)句型的運用能力 【例1】根據(jù)圖片將句子補充完整，每空一詞。 1.This ruler is _______________. 2.They _________ _________ _________ .,解析：本題考查學(xué)生對陳述句基本句型的運用能力。第1小題的句子形式是：主語+系動詞+表語。因此，橫線上需要填上一個單詞或短語對主

9、語進行修飾或限定。第2題只給出了主語They,只要能根據(jù)圖片內(nèi)容寫出符合圖意的句子，并保證句子語句通順和語法正確就可以了。 答案：1. long 2. like playing football / are playing football,舉一反三 1. 改錯，選出錯誤項的字母編號并改正在后面的橫線上。 ( )(1)My brother is playing piano. A B C ( )(2)Some boys comes in happily. A B C ( )(3)Its going to warm tomorrow.

10、 A B C,C,B,B,playing the piano,,come in,,be warm,,2. 用括號內(nèi)所給動詞的適當(dāng)填空。 (1) There _____ some bags in the room. The black one _____ mine. (be) (2) A horse _____ run, but it _____ fly. (can) (3) David always _____ his homework at 7:00 p. m.(do) (4) Look, the fish ______________ in the water. The

11、y are so cute.（swim）,are,is,can,cant,does,are swimming,考點2 考查陳述句的句式轉(zhuǎn)換 【例2】按要求轉(zhuǎn)換句型。 1. Today is a rainy day. (改為否定句) 2. He does sports three times a week. (改為否定句) 解析：本題考查肯定句和否定句的轉(zhuǎn)換，要注意轉(zhuǎn)換規(guī)則。第1小題中有be動詞 is，則只需要在is之后加上not 即可；第2小題中沒有be 動詞，而是行為動詞do的三單形式does，在改寫否定句的時候，要先加上doesnt, 然后再將原來的does 還原為do,放在does之后，

12、這種題是最容易出錯的。 答案： 1. Today isnt a rainy day. 2. He doesnt do sports three times a week.,,,舉一反三 根據(jù)括號內(nèi)動詞的提示，將下列句子改為否定句。 1.Sarah_____ (can)swim. 2.I _____ (do) want to eat more candies. 3.A tiger _____ (can) fly,but it can jump. 4.You ________ (should) put on your jacket. 5.You_______ (must) smoke

13、here. 6.It_______ (was)rainy yesterday.,cant,dont,cant,shouldnt,mustnt,wasnt,過關(guān)檢測,1. 單項填空。 ( )1. My father_____ like apples. A isnt B. doesnt C dont ( )2. I _____ like pop music. A isnt B. doesnt C dont ( )3. I _____go to school yesterday. A do B dont C didnt ( )4. Whats this?

14、 _____ a book. AThat is B Its C This ( )5. I _____ many birthday presents. Aam B has Chave,B,C,C,B,C,( )6. My mother _____ badminton well. Ais play Bplay Cplays ( )7. I _____ free last Sunday. Aam B did Cwas ( )8. The girl reads _____. Aloud B loudly Cloudy (

15、 )9. My mother would like _____ some meat. Abuy B buying Cto buy ( )10. Here is a card _____ your father. Ain B from Cto,C,C,B,C,B,二、將下列句子改為否定句，每空一詞。 1. This is a desk. This _____ a desk. 2. My sister can draw pictures. My sister _____ draw pictures. 3. We do morning exercises ev

16、ery day We _____ _____ morning exercises every day 4. Mike does his homework after dinner. Mike ________ _____his homework after dinner. 5. My grandparents did sports in the garden yesterday. My grandparents _______ _____ sports in the garden yesterday.,isnt,cant,dont,do,doesnt,do,didnt,do,6 Ther

17、e is something wrong with my bike There _____ ________ / _____ _________ wrong with my bike 7 Both Joan and I are in Class One. _______ Joan _____ I _____ in Class One 8 All of us can swim _____ _____ _____ can swim 9 You can play basketball here. You _____ play basketball here 10 I think it

18、 is going to rain tomorrow I _____ _____ _____ going to rain tomorrow,isnt,anything,is,nothing,Neither,nor,am,None,of,us,cant,dont,think,its,三、按要求改寫下列句子。 1.This is a banana.（改為復(fù)數(shù)形式） _____________________________________ 2.There are some apples on the desk.（改為否定句） ___________________________

19、__________ 3.I feel bad last night.（改為同義句） _____________________________________ 4.Im going to Beijing next week.（改為一般疑問句，并作肯定回答） _____________________________________ _____________________________________,These are bananas.,There arent any apples on the desk.,I didnt feel well last night.

20、,Are you going to Beijing next week? Yes, I am.,四、連詞成句。 1. sisters，my，shorter，hair，is，mine，than （.） ___________________________________________ 2. should，you，read，loudly，English （.） ___________________________________________ 3. there，some，noodles，are，the，an，egg，and， on，plate （.） _______

21、____________________________________ 4. yesterday，feel，didnt，well，I （.） ___________________________________________ 5. in，at，the，six，I，up，morning，usually，get （.） ___________________________________________,My sisters hair is shorter than mine.,You should read English loudly.,There are some noodles and an egg on the plate.,I didnt feel well yesterday.,I usually get up at six in the morning.,