《Section A 1a—2d》新课标PPT课件下载-金华市优质课

I am doing my homework now .

I did my homework last night.

I was doing my homework at 7:00 last night.

I am going to do my homework tomorrow .

I will do my homework tomorrow .

一般现在时

现在进行时

一般过去时

过去进行时

一般将来时

老师：你已经做完作业了吗？

学生：我已经做完作业了。

学生：我还没做完作业。

现在完成时

1.过去发生的动作对现在造成的影响或结果，和already，never, ever, yet等状语连用。

动词构成：have/has+v过去分词

had breakfast

I have already had my breakfast.

(现在我不饿)

not hungry now

now

past

现在完成时动词构成

have /has + v 过去分词

助动词

否定

haven’t + v 过去分词

hasn’t + v 过去分词

I have already had my breakfast.

I haven't had my breakfast yet.