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1、八时态1、一般现在时A、当谓语是be动词时，构成为：主语+be动词( am, is, are )+其他。如：I am a student.B、当谓语是行为动词时，构成有两种：（1）主语（非第三人称单数）+动词原形+其他。如：We often watch TV at the weekends.（2）主语（第三人称单数）+动词第三人称单数形式+其他。如：Jim usually goes to the park on Sundays.C、句型变换： 肯定句否定句一般疑问句及回答They watch TV at six everyday.They dont watch TV at six everyd
2、ay.-Do they watch TV at six everyday. -Yes, they do. / No, they dont. She watches TV at six everyday.She doesnt watch TV at six everyday.-Does she watch TV at six everyday.-Yes, she does. / No, she doesnt.肯定句否定句一般疑问句及回答They watch TV at six everyday.They dont watch TV at six everyday.-Do they watch T
3、V at six everyday. -Yes, they do. / No, they dont.She watches TV at six everyday.She doesnt watch TV at six everyday.-Does she watch TV at six everyday.-Yes, she does. / No, she doesnt.练一练：A、用括号内动词的适当形式填空。 1) He often ( have ) dinner at home. 2) Daniel and Tommy ( be ) in Class One. 3) We ( not watc
4、h ) TV on Monday. 4) Nick ( not go ) to the zoo on Sunday. 5) they ( like ) the World Cup?6) There ( be ) some water in the bottle. 7) your parents ( read ) newspapers every day? 8) Mike ( like ) cooking. 9) You always ( do ) your homework well. 10) They ( have ) the same hobby.11) My aunt ( look )
5、after her baby carefully. 12) Liu Tao ( do ) not like PE. 13) She and I ( take ) a walk together every evening. B、按要求转换句子，每空一词。 1) Tom likes playing basketball with his friends. （改成否定句）Tom playing basketball with his friends.2) Davids parents often take a walk after supper.（改为一般疑问句并作否定回答）- Davids pa
6、rents often a walk after supper? -No, . 3) They usually watch TV. （对划线部分提问） they usually .4) She is always a good student. （改为一般疑问句并作出肯定回答） - always a student? - , . 5) Simon and Daniel like going skating. （改为否定句） Simon and Daniel going . 2、现在进行时A、构成形式：主语+be动词+动词的ing形式+其他。B、判断依据：句中往往有now、look、listen
7、等词。注意：千万不要忘了一定得有be动词。C、句型变换：练一练：A、用所给的动词的正确形式填空。 1) The boy ( draw ) a picture now. 2) What you ( do ) now? 3) Listen. Some girls ( sing ) in the classroom. 4) My mother ( cook ) some nice food now. 5) Look. They ( have ) an English lesson. 6) They ( not water ) the flowers now. 7) Look! the girls (
8、 dance )in the classroom . 8) What is our granddaughter doing? She( listen ) to music. 9) Helen ( wash )clothes? Yes, she is . B、根据中文，完成句子，每空一词。1) 刘涛的父亲正在浇花。Liu Taos father is .2) 看，孩子们正在操场上踢足球。Look! The children in the playground.3) 她正在公园里散步吗？是的。- she a walk in the park? -Yes, she .4) Jack正在哪读书？在他书
9、房。- Jack the book now?-He is .3、一般过去时A、构成形式：主语+动词的过去式+其他。 注意：没有be动词的否定句和疑问句中，用didnt否定和用did提问后，动词一定要用原形。 B、判断依据：（1）be动词是was、were；（2）动词加ed；（3）有表示过去的时间状语，现在学过的常用的表示过去的时间状语有：just now，a moment，yesterday，last week，last night，last weekend，last year，last month，three days ago，two weeks ago，five years agoC、句型
10、变换：肯定句否定句一般疑问句及回答I was a teacher five years ago.I wasnt a teacher five years ago.-Were you a teacher five years ago?-Yes, I was. / No, I wasnt.They played many games yesterday.They didnt play many games yesterday.Did they play many games yesterday?Yes, they did. / No, they didnt.练一练：A、用动词的适当形式填空。 1)
11、 It ( be ) Bens birthday last Friday.2) We all ( have ) a good time last night.3) He ( jump ) high on last Sports Day.4) Helen ( milk ) a cow on Friday. 5) She likes newspapers, but she a book yesterday. ( read ) 6) He football now, but they basketball just now. ( play ) 7) Jims mother ( plant ) tre
12、es just now. 8) they ( sweep ) the floor on Sunday? No, they . 9) I ( watch ) a cartoon on Monday. 10) We ( go ) to school on Sunday. B、按要求改写句子。1) My father came to the shop just now.（改为否定句）2) I watched TV last night.（改为一般疑问句，并作否定回答）3) Their teacher told them a story yesterday.（对划线部分提问）4) They were on the farm last Saturday.（改为否定句）5) David and Liu Tao did their homework together a moment ago.（改为一般疑问句）4、一般将来时A、构成形式：（1）主语+be going to+动词原形+其他。（2）主语+will+动词原形+其他。B、判断依据：一个句子中既有be动词，又有going、to和动词，且动词用的是原形，句中往往有tomorrow、soon、next week等词。C、句型变换： 肯定句否定句一般疑问句及回答She is go
