4个基本时态：、、、。

一、一般现在时：描述兴趣、爱好、客观事实、普遍真理、性格、能力、特征等…（1）当主语是第一人称或复数时，肯定句主语+动词原形+其他I go to school at 7:00 every morning.否定句主语+don't+动词原形+其他.一般疑问句Do+主语+动词原形+其他?一般疑问句Does+主语+动词原形+其他?二、一般过去时：表示过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为；过去主语所具备的能力和性格。

基本结构：主语+动词过去式+其他；否定形式①was/were+not; ②在行为动词前加didn't，同时还原行为动词；一般疑问句Did+主语+do+其他?5 以重读闭音节结尾的，双写最后的辅音字母+ed：stop——动词不规则变化---略三、现在进行时：表示动作发生的时间是“现在”，动作目前的状态是“正在进行中”。

基本结构：主语+be+V.ing〔现在分词〕形式The teacher is speaking right now.特殊疑问句：特殊疑问词+相应be动词+主语+现在分词+Sth? .(3) 对于重读闭音节词，双写末尾字母再加ing. 例如：sitting, beginning四、一般将来时：表示将来某一时刻的动作或状态，或将来某一段时间内经常的动作或状态。

常常和表示将来的时间状语连用。

如：tomorrow（明天），next week（下周），from now on（从现在开始）；in the future（将来）等。

（1）“will+动词原形”表示将来发生的事情，用于征求对方的意见或表示客气的邀请。

We will go to Disneyland next month.（2）．“be going to+动词原形”表示即将发生的或最近打算进行的事。

例如We're going to meet outside the school gate. 我们打算在校门口见面。

Look! . 瞧！快下雨了。

（3）be about to 表示即将发生的动作，意为：很快，马上。

They leave. (=They're going to leave.) 他们就要走了。

句型转换小练习：1. I am Miss Gao. (改为否定句) Miss Gao.2. There is some water in the bottle. (改为否定句)in the bottle.3. She doesn’t like this coat. （改为肯定句）.4. Did Lucy and Lily go to the cinema last night? （改为陈述句）the cinema last night.同义句转换1. How interesting the story-book is!it is!2. Bill is in. → Bill .3. Lucy hasn’t finished the work. Lily hasn’t finished it, either.Lucy Lily the work.4. Jim went to the park last Sunday. Tom went to the park, too.Jim Tom went to the park last Sunday.5. He is so weak that he can’t carry it.He is carry it.时态转换1. I get up at six every morning.用yesterday morning 改为一般过去时.用tomorrow morning 改为将来时.用now 改为现在进行时.2. Linlin is doing his homework now.用every day 改为一般现在时.用tomorrow evening 改为将来时.英语句型转换练习（一）一般疑问句一、把be动词（am is are）和情态动词(can, may, must...)放到句首，其它照写。

遇I/we—you, my—your. some—any. 句号变成问号（？）例如：陈述句: They are in the park. He can play the guitar..一般疑问句: Are they in the park? Can he play the guitar?把下列句子变成一般疑问句1.I am listening to music._______________________________________2.Mike is a student._______________________________________3.Sarah can clean the classroom.________________________________________4.They are in the zoo.________________________________________5. There are some flowers in the vase.________________________________________6.This is my sister._________________________________________7.We are sweeping the floor.__________________________________________二、借助助动词do/does,第三人称单数用does,其余人称用do，放到句首，其他照写。

特别记住：前面用does,后面的动词一定还原成原形。

遇I/we—you, my—your, some—any. 句号变成问号（？）例如：陈述句: I like the ducks. He likes the dogs.一般疑问句：Do you like the ducks? Does he like the dogs?把下列句子改为一般疑问句。

1.We need some masks._________________________________2.They like making the puppet._________________________________3.Su Hai and Su Yang live in a new house._________________________________________________4.I put a book on my head._________________________________________________5. T hey sing “In the classroom”together._________________________________________________6.We play basketball on Sundays._________________________________________________7. Tom likes listening to music.__________________________________________________英语句型转换练习（二）否定句一、在be动词（am is are）和情态动词(can, may, must...)后面加not，其它照写。

some变成any.例如：陈述句: They are in the park. He can play the guitar..否定句: They are not in the park. He can not play the guitar. 或：They aren’t in the park He can’t play the guitar.am not 不能缩写is not=isn’t are not=aren’t can not=can’t把下列句子变成否定句1. I am listening to music._______________________________________2.Mike is a student._______________________________________3. Sarah can clean the classroom.________________________________________4. They are in the zoo.________________________________________5. There are some flowers in the vase.________________________________________6.This is my sister._________________________________________7.We are sweeping the floor.二、借助动词don’t/doesn’t,第三人称单数用doesn’t,其余人称用don’t，(如果原句子时态是过去时，用did) 放到人称后面，动词前面其他照写。

特别记住：前面用doesn’t, 后面的动词一定还原成原形。

some变成any.例如：陈述句: I like the ducks. He likes the dogs. 否定句：I don’t like the ducks. He doesn’t like the dogs?把下列句子改为否定句。

4.We need some masks._________________________________5.They like making the puppet._________________________________6.Su Hai and Su Yang live in a new house._________________________________________________4.I put a book on my head._________________________________________________5. They sing “In the classroom”together._________________________________________________6.We play basketball on Sundays._________________________________________________7. Tom likes listening to music__________________________________________________1. It’s very heavy. Can you help me?It’s very heavy. Can you ?2. Helen is good at playing the violin.Helen playing the violin.3. How interesting the story-book is!it is!4. What’s your father’s job??5. We sometimes go to the movie.We sometimes .6. Bill is in.Bill .7. He is so weak that he can’t carry it.He is carry it.8. She was happy when she heard the news.She was happy the news.9. He is taller than any other boys in his class.He is in his class.10. Could you tell me how I can get to the park?Could you tell me the park?句子结构分析(请把以下句子按要求填入第六页的表格)1. My name is Mary.2. I did my homework for 1 hour.3. My mother took me to the park yesterday.4. I like reading very much.5. I play basketball three times a week.6. Yesterday we went to the museum.7. Lily studies in No. 3 Middle School.8. The shop is about 3 miles away from here.9. The coat looks like hers.10. He and I are good friends.11. He often hears from his friends.12. The Spring Festival is the Chinese New Year.13. I always read books.14. I go to school at 7:00 every day.。