人教版八年级英语上册 《I'm going to study computer science》PPT课件6

《I'm going to study computer science》PPT课件6

be going to 的用法

be going to + 动词原形——表示将来的打算、计划或安排。常与表示将来的tomorrow, next year等时间状语或when 引导的时间状语从句连用。各种句式变换都借助be 动词完成，be随主语有am, is, are 的变换，going to 后接动词原形。

肯定句： 主语 + be going to + 动词原形 + 其他。 eg:   He is going to take the bus there.

否定句： 主语 + be not going to + 动词原形 + 其他 eg:I’m not going to see my friends this weekend.

be going to 与 will 的区别

① 对未来事情的预测用“ will + 动词原形”表达，will 没有人称和数的变化，变否定句要在will 后面加not, 也可用will 后面加 not,或者缩略式won’t, 变一般疑问句将will 提至 句首。Will planes be large in the future?  Yes, they will. /  No, they won’t.

②will 常表示说话人相信或希望要发生的事情，而be going to 指某事肯定发生，常表示事情很快就要发生。I believe Lucy will be a great doctor.

③ 陈述将来的某个事实用will. I will ten years old next year.

④表示现在巨大将来要做的事情用 will.I’m tired I will go to bed. 

⑤ 表示意愿用will.I’ll tell you the truth.

⑥ 表示计划、打算要做的事情用 be going to, 而不用 will.

... ... ...

Review the words.

athlete        gymnast     pilot      

astronaut    computer   programmer  

actor   actress    waiter    waitress   dentist   nurse   cook

engineer     carpenter     servant 

farmer    postman    mailman    diver 

soldier    police    officer

dancer    artist     violinist    musician

... ... ...

Pair work:

A: What are you going to be when you grow up?

B: I’m going to be a/an…

A:How are you going to do that?

B:I’m going to..

A:Where are you going to work?

B:I’m going to work in…

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