(共23张PPT)
Module 2 Experiences
模块与综合测试
Revision
1.一个15岁的美国男孩
a fifteen-year-old boy
2.最大最繁忙的城市之一one of the biggest and busiest cities
3.为…效力
work for
4.已经去过
have/has been to
5.与..不同
be different from
6.在许多方面
in many ways
7.到目前为止
so far
8.倒数
count down
现在完成时动词构成:
主语+have/has+v.过去分词
haven't
否定
hasn't
助动词
Have you .....
疑问。
Has she/he...
过去分词的规侧变化
情况
例词
look-looked
在词尾直接加-ed
work一worked
walk-walked
love-loved
以不发音的e结尾直接加-d
live-lived
hope-hoped
supply-supplied
辅音字母+y结尾变y为i加-ed
try-tried
carry-carried
重读闭音节的词尾双写词尾字母加-ed
stop-stopped
plan-planned
过去分词的不规则变化
●
原形
过去式
过去分可
。1.AAA型
cost
cost
cost
·2.AAB型
beat
beat
beaten
·3.ABA型
run
ran
run
·4.ABB型
sit
sat
sat
I,finish,homework
肯定句
I have finished my homework.
否定句
I haven't finished my homework.
疑问句
Have you finished your homework
Yes,I have./No,I haven't.
现在完成时的主要用法
★表示过去发生的某一动作对现在造成的影响或结果。
★表示过去已经开始,持续到现在的动作或状态。
现在完成时态
Have done
现在
将来
时间轴
1.表示过去发生的某一动作对现在造成的影响或结果。(常与
just,already,yet,ever,never,before连用,强调过去的动作
和现在的联系,不强调动作的延续,肯定句用already,疑问句
用yet)
(1).--It's so dark
--Someone has turned off the light.
(2).I've just finished my homework