be going to do 与 be doing 的区别

　be going to do 表示事先经过考虑过，然后计划好将做某事；迹象将发生某事。

　We are going to go climbing this week.

　My sister is going to go to Australia in a week.

　It is going to snow.

be doing 指立刻决定的计划，没有经过一段时间 的考虑, 意思上相当于be about to do, 但后者不能接时间状语；多用于表示位置移动的动词中，如：go, come, arrive, leave, reach , start;

　I am going to hometown this afternoon.

He is leaving.

We are playing the piano at six.

I am about to go out.

句型转换

1. We are going to do some shopping next Tuesday. (变成否定句)

We ____________________ shopping next Tuesday.

2. I'm going to see my mother on Mothers' Day. (变成一般疑问句，并作否定回答)

- ________ going to see your mother on Mothers' Day?

-NO, _________.

3. She is going to carry these luggage to the train station. (对划线部分提问)

_____ is she going _____?

4. Sophie is going to France the day after tomorrow. (对划线部分提问)

_______ Sophie ______ to France?

Answers:

1. aren't going to do some 2. Are you, I am not

3. What, to do 4. When is, going

补全对话：

A: (1) ________________________tomorrow?

B: I'm going to buy a gift.

A: (2) ___________________________?

B: I'm going to give it to my mother.