Module 8 Unit 5 Meeting our ancestors Grammar
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| 名称 | Module 8 Unit 5 Meeting our ancestors Grammar |  | |
| 格式 | rar | ||
| 文件大小 | 1.0MB | ||
| 资源类型 | 教案 | ||
| 版本资源 | 人教版（新课程标准） | ||
| 科目 | 英语 | ||
| 更新时间 | 2008-12-03 21:30:00 | ||
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课件16张PPT。Period 4GrammarThe Present Perfect
Continuous tenseI have been climbing
for half an hour.
All the bad situations have been harming the
Zhoukoudian Caves and these have been shocking the visitors. Luckily, our government has been taking measures to protect it.
The Present Perfect Continuous tense
现在完成进行时态Enjoy it and pay attention to the tense
一、结构形式
现在完成进行时是由“助动词 have (has) + been + 动词的现在分词”构成。二、基本用法
1. 表示从过去某时开始一直延续到说话时还在进行，或可能还要继续下去的动作。它通常和“for+段时间”或“since+点时间(也可以是从句)”的时间状语连用。例如：I have been waiting for a letter from my parents.
我一直在等我父母的来信。
It has been raining for three hours.
雨已经下了三个小时了。We _________________ here since 2006. 自从2006年以来，我们一直在这里学习have been studying2. 表示从过去某时开始，一直延续到说话时刻，可能刚刚结束的动作。此时一般通过上下文的语境进行判断。例如：She has been sweeping the street all day.
She is too tired. 她一整天都在扫大街。她太累了。We ________________for you for two hours.
We don't want to wait any longer. 我们已经等你两个小时了。不想再等了。have been waiting 3) 表重复。叙述从过去某时到现在或最近已在重复的动作。如：
最近天气变化无常, 我时常感冒。
The weather has been changeable lately; I’ve been having a lot of colds.
有些不能用现在进行时的动词，如be, have, like, love, know, see, hear等，同样也不能用现在完成进行时，而应用现在完成时。
The poor woman has been ill for a long time.
Have you seen her parents these days?
这些天你看见她的父母了吗？Attentioncomparisonpresent perfectpresent perfect continuous&differenceA---- I have been visiting this city these days.
这些天,我都在这个城市参观.
B---- I have visited this city many times.
我曾参观过这个城市很多次.
现在完成式强调动作的完成或曾经发生过
现在完成进行式强调动作仍然在继续下去 3.A ----He knows that she has been writing to him. 他知道她常给他写信.
B ----He knows that she has written to him. 他知道她给他写过信.现在完成式表示一次性动作
现在完成进行式表示反复发生的动作 The difference
Exercise 1. A: --- I am sorry I _________ (keep) you waiting so long.
B: --- It is all right. I _______________(read) the newspapers.
2.The CCTV __________________ (broadcast) English programmers ever since 1977.have kepthave been readinghas been broadcasting 3. You will feel better when you __________(take) the medicine.
4. My sister ____________ (learn) English since she was a child. She speaks English fluently now.
5.The little boy is dirty from head to foot because he _____________ (play) in the mud all morning.
?have takenhas been learninghas been playing6. She said we __________ (may keep) the book as long as we _____ (like).
7. Please wake me up if I ___ still _______ (sleep) when you _____ (come).
8. My uncle ________ (come) to see us. He _______ (arrive) here a few days ago. I _________ (start) for Sydney tomorrow morning.
9. He _____ (break) his glasses when he ___________ (play) in a football match.might keeplikedamsleepingcomehas comearrivedwill startbrokewas playing Homework
1. Finish the writing , check it
and improve it.
2. Finish the exercises on the
learning-aid sheet
Continuous tenseI have been climbing
for half an hour.
All the bad situations have been harming the
Zhoukoudian Caves and these have been shocking the visitors. Luckily, our government has been taking measures to protect it.
The Present Perfect Continuous tense
现在完成进行时态Enjoy it and pay attention to the tense
一、结构形式
现在完成进行时是由“助动词 have (has) + been + 动词的现在分词”构成。二、基本用法
1. 表示从过去某时开始一直延续到说话时还在进行，或可能还要继续下去的动作。它通常和“for+段时间”或“since+点时间(也可以是从句)”的时间状语连用。例如：I have been waiting for a letter from my parents.
我一直在等我父母的来信。
It has been raining for three hours.
雨已经下了三个小时了。We _________________ here since 2006. 自从2006年以来，我们一直在这里学习have been studying2. 表示从过去某时开始，一直延续到说话时刻，可能刚刚结束的动作。此时一般通过上下文的语境进行判断。例如：She has been sweeping the street all day.
She is too tired. 她一整天都在扫大街。她太累了。We ________________for you for two hours.
We don't want to wait any longer. 我们已经等你两个小时了。不想再等了。have been waiting 3) 表重复。叙述从过去某时到现在或最近已在重复的动作。如：
最近天气变化无常, 我时常感冒。
The weather has been changeable lately; I’ve been having a lot of colds.
有些不能用现在进行时的动词，如be, have, like, love, know, see, hear等，同样也不能用现在完成进行时，而应用现在完成时。
The poor woman has been ill for a long time.
Have you seen her parents these days?
这些天你看见她的父母了吗？Attentioncomparisonpresent perfectpresent perfect continuous&differenceA---- I have been visiting this city these days.
这些天,我都在这个城市参观.
B---- I have visited this city many times.
我曾参观过这个城市很多次.
现在完成式强调动作的完成或曾经发生过
现在完成进行式强调动作仍然在继续下去 3.A ----He knows that she has been writing to him. 他知道她常给他写信.
B ----He knows that she has written to him. 他知道她给他写过信.现在完成式表示一次性动作
现在完成进行式表示反复发生的动作 The difference
Exercise 1. A: --- I am sorry I _________ (keep) you waiting so long.
B: --- It is all right. I _______________(read) the newspapers.
2.The CCTV __________________ (broadcast) English programmers ever since 1977.have kepthave been readinghas been broadcasting 3. You will feel better when you __________(take) the medicine.
4. My sister ____________ (learn) English since she was a child. She speaks English fluently now.
5.The little boy is dirty from head to foot because he _____________ (play) in the mud all morning.
?have takenhas been learninghas been playing6. She said we __________ (may keep) the book as long as we _____ (like).
7. Please wake me up if I ___ still _______ (sleep) when you _____ (come).
8. My uncle ________ (come) to see us. He _______ (arrive) here a few days ago. I _________ (start) for Sydney tomorrow morning.
9. He _____ (break) his glasses when he ___________ (play) in a football match.might keeplikedamsleepingcomehas comearrivedwill startbrokewas playing Homework
1. Finish the writing , check it
and improve it.
2. Finish the exercises on the
learning-aid sheet