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外研2003课标版《Grammar》新课标教案优质课下载
1. Nobody is allowed (allow) to talk loudly in the teaching building.
2. Students are not allowed (not allow) to smoke in the campus.
3. Public facilities should be protected (should ; protect) in the school.
4. Teachers are respected (respect).
5. Cheating isn’t allowed (not allow) in the exams. If you are discovered, you will be punished (punish).
6.Cellphone are not allowed (not allow) in the classroom.
Read the sentences and make a summary.
Basic form of passive voice:
be+done
Step 2 Grammar-the revision of Passive Voice
Conclusion: 主动变被动的一般公式
do/did------ ____________
be doing ------______________
have done------_______________
had done-----_______________
will/would do-----_______________
will have done-----_____________
must do------_______________
Discussion: How can we change a sentence into passive voice ?
1.找出主动语态句子的宾语；将其变成被动句里的主语。
2. 根据以前学过的时态的相关知识确定该使用哪种时态的被动语态。
3. 有必要的话，还可以使用by+宾语，揭示动作的执行者。
Step 3 Exercises:
Change the following sentences into the passive voice:
1. All of us like our Chinese teacher.