三种时态的使用及句型转换

1、时态名称时态含义动词形式时态提示词一般现在时表示经常性、反复性的动作或长期的状态1、 用原形2、 第三人称单数动词加s或es。always, usually, often,sometimes,seldom,never,every词组等或根据句意判断。现在进行时表示动作正在进行be+Vinglook,see,listen, hear,now等或根据句意判断。一般将来时表示动作将要发生1、 Ge going to+ V原形2、 Will+V原形tomorrow, next词组等或根据句意判断。（一） 一般现在时基本用法介绍。一般现在时的构成1. be动词：主语+be(am,is,are)+其它。如

2、：I am a boy.我是一个男孩。2.行为动词：主语+行为动词(+其它)。如：We study English.我们学习英语。当主语为第三人称单数(he, she,it)时，要在动词后加"-s"或"-es"。如：Mary likes Chinese.玛丽喜欢汉语。一般现在时的变化1. be动词的变化。否定句：主语+ be + not +其它。如：He is not a worker.他不是工人。一般疑问句：Be +主语+其它。如：-Are you a student? -Yes. I am. / No, I'm not. 2.行为动词的变化。

3、否定句：主语+ don't( doesn't ) +动词原形(+其它)。如：I don't like bread. 当主语为第三人称单数时，要用doesn't构成否定句。如：He doesn't often play. 一般疑问句：Do( Does ) +主语+动词原形+其它。如：- Do you often play football? - Yes, I do. / No, I don't. 当主语为第三人称单数时，要用does构成一般疑问句。如：- Does she go to work by bike? - Yes, she does. /

4、 No, she doesn't. （二）练习1.  I am a teacher. （变成否定句）_2.  You are student.  (变成一般疑问句)_3.  We have math class on Tuesday. (变成一般疑问句)_一般现在时用法专练:一、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 watch) TV on Monday.4. Nick _ (no

5、t go) to the zoo on Sunday.5. _ they _ (like) the World Cup?6. What _they often _(do) on Saturdays?7. _ your parents _(read) newspapers every day?8. The girl _ (teach) us English on Sundays.9. She and I _ (take) a walk together every evening.10. There _ (be) some water in the bottle.11. Mike _ (like

6、) cooking.12. They _ (have) the same hobby.13. My aunt _ (look) after her baby carefully.14. You always _ (do) your homework well.15. I _ (be) ill. Im staying in bed.16. She _ (go) to school from Monday to Friday.17. Liu Tao _ (do) not like PE.18. The child often _ (watch) TV in the evening.19. Su H

7、ai and Su Yang _ (have) eight lessons this term.20. What day _ (be) it today? Its Saturday.二、按照要求改写句子。1. Daniel watches TV every evening.(改为否定句) _2. I do my homework every day.(改为一般疑问句，作否定回答) _3. She likes milk.(改为一般疑问句，作肯定回答) _4. Amy likes playing computer games.(改为一般疑问句，作否定回答) _5. We go to school

8、every morning.(改为否定句) _6. He speaks English very well.(改为否定句) _7. She is always a good student.(改为一般疑问句，作否定回答) _10. Simon and Daniel like going skating.(改为否定句) 三、改错(划出错误的地方，将正确的写在横线上) 1. Is your brother speak English? _2. Does he likes going fishing? _3. He likes play games after class. _4. Mr. Wu t

9、eachs us English. _5. She dont do her homework on Sundays. _分辨并写出下面时态：1. Look, she is watching TV. ( ) Im going to call you tomorrow.( )I always do my homework after school.( )2.I am usually at home every night.（ ） I am having an English lesson now.（ ）3.You arent often at school every morning.（ ） He

10、 is going to play computer games this weekend.（ ）(三)一般将来时1、意义: 表示将来某个时间要发生的动作，常与表示将来的时间状语连用。如：tomorrow , soon ,next Monday , next year , next weekend , this afternoon , this evening 2、 构成及变化一般将来时常用的两种结构be going to+动词原形 : 表示打算、准备做的事或即将发生或肯定要发生的事。shallwill+动词原形 : 表示将要发生的动作或情况，没有太多的计划性, 还用来表示意愿（1） be g

11、oing to +动词原形肯定句  主语+ be(am /,is,/ are) going to +动词原形+其它成份My sister is going to learn English next year. 我姐姐准备明年学英语。否定句   主语+be（am / is / are）not going to +动词原形 +其它成份I am not going to（go to）the cinema tonight. 我今天晚上不打算去看电影。一般疑问句 Be (am / is / are)+主语+going to+动词原型+其它成份?Is your f

12、ather going to play basketball with you ?No , he isnt.你父亲打算和你去打篮球吗?不。特殊疑问句特殊疑问词(Wh-)+一般疑问句 ?Where are you going to spend Spring Fesital.? 春节你打算在哪过？（2）will /shall +动词原形 （在书面语中，主语是第一人称时，常用shall）肯定句   主语+will/shall+动词原形+其它成份I (shall) write to him next week. 下周我将给他写信。否定句  主语 + will /

13、shall+ not + 动词原形 +其它成份 They wont watch TV this evening.今天晚上他们不看电视。一般疑问句 will/shall+主语 +动词原形+其它成份Will you stay at home with us tomorrow ？ 明天你和我们呆在家里好吗？特殊疑问句 特殊疑问词(Wh-) +一般疑问句When will your father be back? 你爸爸什么时侯回来？Step4、同步练习。一、根据中文提示完成句子。(1) The boy _(打算骑自行车上学).(2) I'd like to _(和我的朋友们去旅游)by pl

14、ane.(3) The train _(将出发前往香港)at half past eight tomorrow morning.(4) The children _(参观博物馆).(5) We're going to Beijing _(五天游).二、把下列句子翻译成英语。1. 下星期天我打算跟爷爷去我叔叔的农场。2. 你们打算乘火车去武汉吗？3. 你们打算什么时候出发去澳门？4. 明天他们打算留在家里吗？5. 他们打算怎样到那里？6. 那些学生准备在上海停留多久？三、用动词的适当形式填空。1. Listen, Lily and Vincy _(be)_(sing)in the classroom.2. There are many children in the park. They are _(play) games there.3. Jim and John _(like) watching TV very much.4. Tomorrow is Sunday. We are _(go)to _(visit) the Guangzho