（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：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。
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. / 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 _______ (not go) to the zoo on Sunday.5. ______ they ________ (like) the World Cup6. What _______they often _______(do) on Saturdays7. _______ your parents _______(read) newspapers every day8. 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) 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. I’m 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 Hai and Su Yang _______ (have) eight lessons this term.20. －What day _______ (be) it today －It’s 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 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 teachs us English. __________________5. She don’t do her homework on Sundays. ________________分辨并写出下面时态：1. Look, she is watching TV. ( ) I’m going to c all you tomorrow.( )I always do my homework after school.( )am usually at home every night.（）I am having an English lesson now.（）aren’t often at school every morning.（）He 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。
shall／will+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 going 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 father going to play basketball with you No , he isn’t.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 /shall+ not + 动词原形+其它成份They won’t 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 plane.(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。