英语 现在完成进行时态和现在完成时.ppt

英语_现在完成进行时态和现在完成时现在完成进行时
定义: 表示某动作从_____开始,一直延续到_____,并将持续下去,常和表示__________的状语连用。
构成
肯定句:主语+have/has been + 动词ing +….
否定句:主语+have/has +not +been +动词ing +….
一般疑问句:助动词have/has+主语+ been+动词ing…?
时间状语: 1. for + ___________
2. since + _____________
3. since + ______________
过去
现在
一段时间
一段时间
一般过去时的句子
过去的时间点
用 for或since填空
1. I have been practicing my oral English ____ 10:30.
2. Mary has been running ____ 15 minutes.
3. Sarah has been sleeping _____ 9:00.
4. Dale has been talking on the phone _____5 minutes.
since
for
since
for
has been studying Chinese ____ he was 6 years old..
have been watching you ____10 minutes.
since
for
( )1. I’ve been skating __ three hours today.
A. about B. for C. since
( )2. We’ve been studying English __ two years ago.
A. for B. from C. since
考点单选题
( )3. She started skating __ 9 o’clock.
A. for B. at C. since
( )4. Sam __ collecting shells for five years.
A. is B. started C. has been
( )5. How long have you __ today?
A. swimming
B. been swimming
C. started swimming
6. My mother has _______ Chinese for two years. A. taught Bbeen teaching C. been taught D. is going to teach
7. ___ is the meeting going to last? About twenty minutes.  A. How far B. How soon  C. How long D. How often
8. I have been skating __ two hours. A. in B. at  C. for D. since
9. If I __ enough money, I __ a
hospital for SARS patients.
A. will have, build
B. will have, will build
C. have, will build
D. have, build
10. He’s been collecting shells _______ he was ten years old.
A. when B. while C. and D. since
现在完成时含义
1。表过去发生的某一动作对现在造成的影响或结果。
,持续到现在的动作或状态,也
可以表示实质可能继续下去的动作或状态。通常和
______________________________________引导
so far, by now, these days,
in the last ten years 等连用。
for(段时间), since(点时间),How long
通常与表示包括现在在内的时间副词
________________________________________
______________等状语连用
just(刚刚), already(已经), before,
never, ever, yet
动词的过去分词:规则变化(和过去时一样)
不规则变化:见表。
现在完成时的结构:
助动词have(has)+过去分词构成