现在完成时态课件课件

be asleep/ sleep
become interested in
be interested in
Exercises
His father has died. (for 2 years) His father has been dead for 2 years.
The football match has begun.(since9:00a.m) The football match has been on since 9:00 a.m.
Present Perfect Tense
Designer: Xue Na Chunhua Middle School
Present perfect tense 现在完成时
构成:
have/has + 过去分词
用法一：
表示过去发生的某一动作 对现在造成的影响或产生 的结果.现在完成时这一时 态强调是过去动作与现在 的联系,也就是强调现在的 影响和结果.
重点句型: It is/ has been+段时间+since从句 段时间+has passed+ since从句
eg. 他死了两年了：
He died two years ago.
He has been dead for two years /since two years ago
It is/ has been two years since he died.
Two years has passed since he died.
1. 这本书我借了一个月了。
I borrowed this book a month ago.
I have kept the book for a month. /since a month ago.
It is/ has been a month since I borrowed the book.
The twins have joined the army. (since they are 18years old) The twins have been soldiers/ been in the army since they are 18years old.
My teacher has just left Nanjing. (for 3 days) My teacher has been away from Nanjing for 3 days
在并可能还将持续下去。动词
使用延续性动词。常与for或
since引导的时间连用
for+段时间 since+点时间 since+句子（过去时）
E.g. Kate has lived here for 3 years.
Kate has lived here since 3 years ago.
Kate has lived here since she came to China.
A month has passed since I borrowed the book.
Have/has gone to have/has been to have/has been in
have/has gone to:已经去了或在途中，还没 有返回；
have/has been to:曾今去过某地，现在已经 回来了,后面可接表示“次数”的状语;
start/begin be on finish/ end
be over
catch a cold
have a cold get up be up
get to know
know get out
be out
close
be closed wake up
be awake
go to sleep
father. 5. The twins s_a_w__(see) my father just now. 6. Many tall buildingsh_a_v_e_b__e_e_n_b_u_i_lt(build)
in the past 5 years.

用法二：
表示过去某个时间开始的动作 或存在的状态，一直持续到现
I lived there 2 years ago
past
present
I have lived here for two years
1.都表示过去发生的事 2.现在完成时强调过去和现在的联系，不能和具
体的时间状语连用；
3.一般过去时强调过去发生的事或状态与表示过 去的具体时间连用（last, ago, yesterday, etc. ）
eg.1. He had his breakfast at 6:00 He has had his breakfast.
2. When did you come here? I watched the football match on TV at 9:00.
Adverbs of time before, by now (so far), once, twice…, just, recently yet(否/疑), already(肯), ever, never, all one’s life , in /during the past /last 5 years,
常见非延续性动词和延续性动词的转变
arrive/come/go to be in
die
be dead
become a
be 百度文库 borrow
keep
Leave/ move
be away / be out
buy
have open
be open
join
be in/a member of
Exercises
1. I h__a_v_e_h_a_d_(have) lunch already. 2. Has the train_a_r_r_iv_e_d_ (arrive), yet? 3.Tome _h_a_s_ never_b_e_e_n__to_ (be to ) China. 4. The twin __h_a_s__just _s_e_e_n_(see) my