内容正文:
Lesson4
杨晶
现在完成时Ⅰ
目录
There are moments in life when you miss someone so much that you just want to pick them from your dreams
含义(2层+一过区别)
There are moments in life when you miss someone so much that you just want to pick them from your dreams
结构(done的变化)
There are moments in life when you miss someone so much that you just want to pick them from your dreams
时间标志词
I lost my keys.
I have lost my keys.
时态
一般过去时
现在完成时
重点含义
动作发生在过去
对现在造成的影响
过去
现在
将来
含义1:过发影响
1. We have learnt English for eight years.
2. She has already lived in Xi’an for 18 years.
发生在过去的动作持续到现在,甚至将来继续…
过去
现在
将来
含义2:过发持续
与一般过去时的区别
现完
现完:
与现在有关
一过:
和现在无关
句型结构
基本结构
have/has + done
助动词 (无实际意义)
过去分词
句型结构
肯定结构
S.+ have/has +done +其他.
S.+ have/has + not + done+其他.
否定结构
一般疑问结构
Have / Has + S.+ done+其他?
Yes, S. + have/has.
No, S. + haven’t/hasn’t.
done 的变化
live, change
2.e+d
cry, try
4.辅音字母+y,变y为i+ed
work, call
1.+ed
plan, stop
3.“辅元辅”结尾,双写末尾字母+ed
规则变化
不规则变化
1. AAA你一样我一样
cut_______ _______ put_______ _______ hurt_______ _______
let_______ _______ set_______ _______ read_______ _______
2.ABB你规我规
find _______ _______ tell_______ _______ leave_______ _______
meet_______ _______ have_______ _______ teach_______ _______
3. ABC你不规我不规
eat_______ _______ fall_______ _______ write_______ _______
go_______ _______ see _______ _______ take_______ _______
4. ABA你不规我规
come_______ _______ run_______ _______ become_______ _______
时间标志词
already 已经(用于肯定句)
yet 已经(用于疑问句)
yet 还没(用于否定句)
since+时间点/一过从句 自从......以来
用how long提问
for+时间段 长达......
never 从没
ever 曾经
before 之前
just 刚刚,刚才
so far 到目前为止
twice 两次(次数)
11
时间标志词
in the past 一般过去时
in the past few/two years 现在完成时
做题技巧
1.找时间标志词,定时态
2.看主语,定have/has形式
3.变done要当心
练习
1. —Do you know him well ?
—Sure. We _____ friends since ten years ago .
A. were B. have been
C. have become D.