人教版高一英语必修二 Unit 3 Computers Grammar 课件(共23张PPT)
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| 名称 | 人教版高一英语必修二 Unit 3 Computers Grammar 课件(共23张PPT) |  | |
| 格式 | zip | ||
| 文件大小 | 2.2MB | ||
| 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 | 2019-12-09 17:50:48 | ||
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(共23张PPT)
Unit 3 Computers
一般将来时的被动语态
肯定式：主语+will/shall+ be +过去分词
否定式：主语+will/shall+not+be+过去分词
疑问式：will/shall ＋ 主语 ＋ be+过去分词 ?
Shall用于第一人称，well用于各种人称
The stadium will be finished soon.
体育馆将很快竣工。
He will not be punished for it.
他将不会为此受到惩罚。
观察领悟
1) The house has been cleaned.
2) The windows have been locked.
3) His work has been finished.
4) Two cars have been repaired for three hours.
?
:
have/has been +过去分词
以上句中使用了现在完成时的被动语态，其谓语动词的构成为：
The Present Perfect Passive Voice
现在完成时的被动语态
现在完成时的被动语态
现在完成时的被动语态是表示被动的动作发生在过去, 到现在已经完成或对现在仍有影响, 其构成: have/has been + 过去分词。如：
1. The dirty clothes have been washed.
脏衣服都已经洗了。
2. The child has been taken care of by
Grandma Wang.
这个小孩一直由王奶奶照料。
现在完成时被动态：
have / has? + been + 过去分词
现在完成时的被动语态的构成
1)肯定句：
2)否定句：
3)一般疑问句：
肯定式：主语+has/have+ been +过去分词
否定式：主语+ has/have +not+been+过去分词
疑问式： has/have ＋ 主语 ＋ been+过去分词 ?
has用于第三人称单数，have用于其他人称。
现在完成时的被动语态的用法
1．表示被动的动作在说话之前已经完成，强调过去的动作对现在造成的影响或产生的结果，通常与already，yet，never，recently等副词及时间状语so far，by now，up till now，since...，before...等连用。
The doctor hasn't been sent for yet.
还没有派人去请医生。(现在应派人去请医生)
2．表示一个被动的动作或状态开始于过去，持续到现在，并有可能持续下去，常与for或since引导的时间状语连用，或用于How long...？句型中。
The machine has been repaired for two hours.
这台机器已经修了两个小时了。(可能还会继续被修)
1．现在完成时的被动语态的两个助动词，即have/has 和 been，两者缺一不可。
注意
2. 副词的位置
often, usually, always, never, hardly, seldom等副词置于have/has和been中间。
如: [误] Such a man has been hardly
believed.
[正] Such a man has hardly been
believed.
1. In the last few years thousands of films _____ all over the world.
A. have produced
B. have been produced
C. are producing
D. are being produced
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
2. His sister left home in 1998, and _____.
A. had not been heard of
B. has not been heard of
C. had not heard of
D. has not heard of
3. I like these English songs and they _____ many times on the radio.
A. taught B. have taught
C. are taught D. have been taught
4. Though we don’t know what was discussed, yet we can feel the topic _____.
A. had changed B. will change
C. was changed D. has been changed
All men, rescue, firefighters
All men have been rescued by the firefighters.
连词成句
Vaccine has already been taken.
vaccine(疫苗)，already, take
The keyboard has been damaged.
The door has been locked.
homework
复习本节课学的内容，完成《学习辅导》P40－42的Grammar部分的练习。
Unit 3 Computers
一般将来时的被动语态
肯定式：主语+will/shall+ be +过去分词
否定式：主语+will/shall+not+be+过去分词
疑问式：will/shall ＋ 主语 ＋ be+过去分词 ?
Shall用于第一人称，well用于各种人称
The stadium will be finished soon.
体育馆将很快竣工。
He will not be punished for it.
他将不会为此受到惩罚。
观察领悟
1) The house has been cleaned.
2) The windows have been locked.
3) His work has been finished.
4) Two cars have been repaired for three hours.
?
:
have/has been +过去分词
以上句中使用了现在完成时的被动语态，其谓语动词的构成为：
The Present Perfect Passive Voice
现在完成时的被动语态
现在完成时的被动语态
现在完成时的被动语态是表示被动的动作发生在过去, 到现在已经完成或对现在仍有影响, 其构成: have/has been + 过去分词。如：
1. The dirty clothes have been washed.
脏衣服都已经洗了。
2. The child has been taken care of by
Grandma Wang.
这个小孩一直由王奶奶照料。
现在完成时被动态：
have / has? + been + 过去分词
现在完成时的被动语态的构成
1)肯定句：
2)否定句：
3)一般疑问句：
肯定式：主语+has/have+ been +过去分词
否定式：主语+ has/have +not+been+过去分词
疑问式： has/have ＋ 主语 ＋ been+过去分词 ?
has用于第三人称单数，have用于其他人称。
现在完成时的被动语态的用法
1．表示被动的动作在说话之前已经完成，强调过去的动作对现在造成的影响或产生的结果，通常与already，yet，never，recently等副词及时间状语so far，by now，up till now，since...，before...等连用。
The doctor hasn't been sent for yet.
还没有派人去请医生。(现在应派人去请医生)
2．表示一个被动的动作或状态开始于过去，持续到现在，并有可能持续下去，常与for或since引导的时间状语连用，或用于How long...？句型中。
The machine has been repaired for two hours.
这台机器已经修了两个小时了。(可能还会继续被修)
1．现在完成时的被动语态的两个助动词，即have/has 和 been，两者缺一不可。
注意
2. 副词的位置
often, usually, always, never, hardly, seldom等副词置于have/has和been中间。
如: [误] Such a man has been hardly
believed.
[正] Such a man has hardly been
believed.
1. In the last few years thousands of films _____ all over the world.
A. have produced
B. have been produced
C. are producing
D. are being produced
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
2. His sister left home in 1998, and _____.
A. had not been heard of
B. has not been heard of
C. had not heard of
D. has not heard of
3. I like these English songs and they _____ many times on the radio.
A. taught B. have taught
C. are taught D. have been taught
4. Though we don’t know what was discussed, yet we can feel the topic _____.
A. had changed B. will change
C. was changed D. has been changed
All men, rescue, firefighters
All men have been rescued by the firefighters.
连词成句
Vaccine has already been taken.
vaccine(疫苗)，already, take
The keyboard has been damaged.
The door has been locked.
homework
复习本节课学的内容，完成《学习辅导》P40－42的Grammar部分的练习。