现在完成时态复习

课件20张PPT。现 在 完 成 时 态Zhong Congli 现在完成时 Present perfect tense 构成:助动词have/has + 过去分词
1.肯定句
现在完成时的肯定句式是“have（has）＋过去分词”。
注意：该句式中的have或has是助动词，has用于第三人称单数，其它人称一律用have。eg. He has eaten supper.
They have eaten supper.
2.疑问句
　　现在完成时的一般疑问句式是把助动词have或has提到主语之前。 (回答用“Yes，---have/has．／“No，---haven’t/hasn’t．” ）
3.否定句：
现在完成时的否定句式是“haven't/hasn't＋过去分词”。
eg. Has he eaten supper?
Yes, he has./No, he hasn’t.
eg. He hasn’t eaten supper.
They haven’t eaten supper.
用法一、
表示过去发生的动作或存在的状态对现在造成的影响或产生的结果。
常跟already, just, not…yet, never, before, ever, recently，---times等时间状语连用。
注：already与just用于肯定句，在否定句和疑问句中要变为yet
eg. 现在完成时态的分类eg.1. He had his breakfast at 6:00


He has had his breakfast.





只是说他六点的时候进行了吃饭这个动作，但不对现在产生影响这说明他现在已经饱了，不饿了。When、what time永远不能与现在完成时态连用2. Has he had his breakfast? Yes, he has. When did he have his breakfast? He had breakfast at 6:00.Exercises1. I ________(have) lunch already.
2. the train_______ (arrive) yet?
3.Tom ____ never_______ (be ) to China.
4. The twin ______just _____(see) my father.
5. The twins ____(see) my father just now.
6.______ you ever _______(ride) a horse? Never.
have hadHas arrivedhasbeenhasseensawhave riddenwrite wrote written ride rode ridden7._____ you ________(clean) the room?
Yes, we__________(do) that already.
When _______ you ______(do) it?
We _______(do) it an hour ago.
8.______ he ______(see) this film yet? No.
When _____ he _____(see) it?
He ______ it tomorrow.
9. How many times _____you______(come) here?
Once.
Havecleanedhave donediddodidHasseenwillseewill seehavecomecome came come become became become用法二：



for+一段时间
since+过去时态的句子
since+ 过去的时间点
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.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
so far, up to/till now, in the last/past+一段时间，all one’s life. 一段时间+ago
具体的过去的时间点常见非延续性动词和延续性动词的转变第一类：动词 be + adj.
die finish
open/close
fall ill/asleep
marry sb/get married to
第二类：动词 be + 介词.
start/begin
leave
join
be deadbe away from be in/be a member ofbe open/closedbe onbe overbe ill/asleepbe married to
第三类：动词 另一个动词
buy
borrow
get/begin to延续性v.
become
put on
eg.
keephavebe延续性v.wearHis father died 2 years ago.
The football match began at 9:00a.m.
The twins joined the army when they were 18 years old.
My teacher left Nanjing 3 days ago.
His father has been dead for 2 years/since two years.The football match has been on since 9:00 a.m.The twins have been soldiers/ in the army、members of the army since they were 18years old. My teacher has been away from Nanjing for 3 days/since 3 days ago.重点句型: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 two years since he died.
It has been two years since he died
Two years has passed since he died.
It is/ has been+一段时间+since从句 一段时间+has passed+ since从句I borrowed the book a month ago.It is/ has been a month since I borrowed the book.I have kept the book for a month. /since a month ago.A month has passed since I borrowed the book.have/has gone tohave/has been to have/has been inhave/has gone to:已经去了或在途中，还没有返回；反正不在说话地!
have/has been to:曾经去过某地，现在已经回来了,后面可接表示“次数”、ever、never、before等的状语;
have/has been in:表示某人“已在某地停留一段时间，现仍在那里”，其后常带表示一段时间的状语。 用法三：Exercises Tom 在哪儿？ 他去书店了。
我在北京待了5年了。
Jack 去过上海两次了
-Where is Tom?
-He has gone to the bookshop.I have been in Beijing for 5 years.Jack has been to Shanghai twice.Testing timeCorrect mistakes1. I have borrowed the book for 3 months.
2. My bother has joined the army since he was 18.
3. Jack and Tom have lived here since 5 years.
4. The film has been on since I have come to the cinema.
5. When has Mr. Li caught a bad cold?


have kepthas been in/ been a member of/a soldiersince 5 years ago/ for 5 yearscame didcatch6. Ten years have passed since they got married.
7. Jim has gone to Beijing for 2 years.
8.How long has the factory opened?
9.I have gone to Chunhua Middle School twice
hashas been inbeen openbeen to熟练识记现在完成时态的各种用法
把布置的练习题坐在作业本上
预习Unit10所有的生词HomeworkGoodbye