关于现在完成时公开课课件

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will it still be far in summer?
Spring has already come.
现在完成时态
一)构成: have/has+动词过去分词
基本结构
have / has + done
助动词 (可以帮助 构成肯定、疑问和 否定句)
1.He has cleaned his room. (写一个一般疑问句) Has he cleaned his room?
A: __H_a_ve___ you ever _b_e_e_n___ to the
park? ( be )
B: No, never.
Key words
yet
already
ever
never
just
Just 刚刚 与现在完成时连用 一般置句中 Just now 刚才 与一般过去时连用
I ___ha_v_e_ just _m_e_n_d_e_d__ the desk,
go to have/has been in
got to have/has been in
have/has been in join
have/has been a soldier
have/has been a soldier
have/has been away
I have borrowed the dictionary since 3 days ago .
kept
buy have/has had
leave have/has been away
come to have/has been in borrow have/has kept
twice 也可以是其他表示次数的词
• He has bought the book. • He has bought the book for a week. • He has had the book for a week.
buy
have
come /go/get to be in
be in join
I have left Shanghai for 3 days.
been away for 3 days.
buy have/has had
leave
come to have/has been in go to have/has been in
got to have/has been in
have/has been in join
2. She has lived in London for four years. (划线部分提问)
How long has she lived in London?
3. He has been to China, h_a_s_n_’t__h_e_?
(写出反义疑问句部分)
4. They have come back from work. (写否定句) They haven’t come back from work.
be a …member
leave be away borrow keep begin be on finish be over die be dead reture be back
She has bought the computer for two years.
had
buy have/has had
so far
到目前为止
We __h__a_ve__ only ___p_l_a_n_te_d____ 100 trees
so far. (plant)
Key words
for just
yet ever never since before already so far
in the past 10 years how long
现在完成时的主要用法
(一)表示过去发生的动作或事情对 现在的影响和产生的结果.它强调 的是过去的动作同现在的联系.常 用的时间状语有already, yet, ever, never, just, before等.
Key words
yet already
注意:already 用于肯定句, yet 用于疑问句和否定句中
关于现在完成时公开课
Studying aims
1.现在完成时的构成 2.现在完成时的主要用法
及相关的时间状语 3. 短暂性动词与时间段的关系
4. have been 与have gone 比较
5.与一般过去时的用法比较
春天已经来了,
Spring has already come,
夏天还会远吗 ?
How long have you come to the United States?
been in
buy have/has had come to have/has been in
Ann has gone to China since three months ago.
been in
buy have/has had come to have/has been in go to have/has been in
he left school ten years ago. (work )
Key words
since for + 一段时间
A: How long __h_a_ve__ you _ta_u_g_h_t___ in
this school? (teach )
B: For 6 years.
Key words
A: __H_a_s__ your brother _fi_n_is_h_e_d his
homework yet? (finish)
B: Yes, he ‘s already done it.
Key words
yet already ever never
注意: ever 曾经 用于疑问句中 never 从不 带有否定意义
you can take it to your classroom . (mend )
(二)表示一个从过去开始,一直持 续到现在,有可能继续下去的动作 或状态.通常和for或since引导的时 间状语连用.
Key words
since
since 后面带过去时间或有一般过去时的句子
Baidu Nhomakorabea
Tom _h_a_s_w_o_r_ke_d___ in the factory since
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