I haven’t bought anything for a week / since you left.
我已经有一个礼拜没有买东西了。/自从你离开以后我没有买过任何东西。
5． 同学们应当特别注意的是，现在完成时态是一个属于现在时态的范畴，所以它可以和包括“现在时刻”在内的时间状语连用。如：
Now, today, this morning / week / month / year, by now, so far, up to now, already, before, just, ever, never, always, recently, lately.等等。如：
I have done nothing today.
我今天什么事情也没有干。
We have had four lessons this morning.
今天上午我们上了四节课。（说话时还没有超出上午的范围）
Have you seen her before?
你以前见过他吗？
6．当强调行为的行为时间、执行者、行为方式、行为场所、行为原因时，句中一般用一般过去时，而不用或者很少用现在完成时，间或用现在完成时也是为了强调结果。如：Who did it? How did he do it? Why did he do it? Where did he do it? When did he do it?
7．为了准确地判断动词的延续性和非延续性，请记住下面的歌诀：
动词延续非延续，要用“一直”加动词；
说得通是延续动词，说不通是非延续动词。
不能说：一直买buy/开始begin/借入borrow/到达reach,get to,arrive/参加join,等等。
可以说：一直有have/进行be on/保管keep/在……组织里be in/是……成员be a＋身份
如以下所示：
He has gone there.
他上那儿去了。
He has been there for two days.
他上那儿去了两天了。
He has bought a book.
他买了一本书。
He has had the book for 3 weeks.
他买这本书三周了。
She has borrowed a dictionary.
她借了一本词典。
She has kept the dictionary for 2 weeks.
他借这本词典两周了。
练习
将下列句子翻译成英文。
1. 从两点钟起我就在这里了。
2. 她已经走了一个礼拜了。
3. 从上礼拜五他就生病了。
4. 他参军已经有五年了。
5. 自从五年前他就在这里了。
参
《英语教案－上学期 Unit 6 Mainly revision(第3页)》出自：www.89xue.com网www.89xue.com 考答案：
1. I have been here since two o’clock.
2. She has been away for a week.
3. He has been ill since last Friday.
4. He has been in the army for five years.
5. He has lived here since five years ago.
教学设计方案
Lesson 21
Period: The First Period
Content: Lesson 21
Properties: Tape recorder, Overhead Projector, TV, pictures.
Teaching Objectives: Make the students use the language point in the dialogues.
the usage of the present Perfect Tense
Language Focus:
1. Useful expressions: have an accident; hurt badly;
2. The present Perfect Tense:
What’s happened? They’ve had an accident. Has anyone called the police? Yes, they have. Teaching Procedures:
Ⅰ. Organizing the class
Ask the students to get ready for class.
Greetings between the teacher and the students and a duty report.
Ⅱ. Revision
1. check homework.
2. Revise the present perfect Tense. Ask :
Have you ever been to the Great Wall?
How long have you lived in Beijing?
Get the students to answer the questions.
Make sure they can answer correctly.
Ⅲ. Presentation
1. Show a picture of an accident on TV. Get the students to watch and talk about the accident using some words, such as: have an accident, hurt, badly, fall off, hit …
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