Part I: Revision
Language practice
现在完成时的被动语态： have/has（not） been +过去分词
情态动词的被动语态： 情态动词（not）+ be +过去分词
Conclusion
被动语态的构成：be +动词的过去分词
一般现在时—— am／is ／ are +动词的过去分词
一般过去时—— was／were +动词的过去分词
情态动词—— aux.v. (must／can／could／may…)+ be +动词的过去分词
现在进行时—— be(am、is、are)+being +动词的过去分词
一般将来时—— will be／be going to be +动词的过去分词
现在完成时—— have／has +been+动词的过去分词
主动语态改成被动语态的步骤及注意事项
1. 主动语态的宾语改成被动语态的主语。
2. 主动语态的谓语动词改成被动语态的谓语动词。do----be done
3. 注意保持时态和人称的一致。
4. 带双宾的谓语动词有两种改法。当把直接宾语改成主语时，谓语动词后必须加适当的介词: to / for.
如：give-- be given to 此类动词还有：pass show send…
再如：buy--- be bought for此类动词还有：make draw cook mend…
5. 一些动词不定式在主动语态中省略to作宾语补足语，改成被动语态时，to必须还原。
九年级英语Great inventions全模块教案由www.yf1234.com收集及整理,转载请说明出处www.yf1234.com
www.yf1234.com 注:1. 不及物动词（vi.)不用被动语态。如:happen、take place 、appear
disappear…没有被动形式。
**几种特殊结构
1.My uncle gave me a gift on my birthday．----
• I was given a gift on my birthday．
• A gift was given to me on my birthday.
2.We often hear him play the guitar．
• He is often heard to play the guitar
• 注意：see, watch, hear, notice, feel, make, listen to, look at等动词/短语后作宾语补语的不定式都不带to；但改成被动语态后必须带to。
Part II: Language Practice
Read though the sentences with the students and talk about the highlighted structures.
Exercises: Activities 1~8
Finish the exx with the students according to the highlighted words of every activity. Check the answers.
Homework:
Finish off the workbook exercises
九年级英语Great inventions全模块教案