《Teenagers should be allowed to choose their own clothes》PPT課件21
Pair work
Are your home rules the same or different?
Home rules the same different
should get up early
should go to bed early
shouldn’t play computer games
shouldn’t watch TV in bed
should wash hands
should take off shoes
shouldn’t stay out late
shouldn’t smoke
... ... ...
3b Read again and answer the questions.
1.What did the mom do when the writer was a baby and a small child?
When the writer was a baby and a small child, the mom did these:
· sang to him and stayed by his side when he cried
· gave him food and warm arms to sleep in when he was tired and hungry
· kept him safe when he was running through the field
· hugged him and lifted him up when he fell
2. Why do you think the writer talked back to his mom when he was seven and nine years old?
He felt that he was growing up and he did not want to be treated like a little child anymore.
3. How did the writer feel when he was a teenager and his mom said “Please be back by ten”?
He was upset because he felt that he was old enough to be independent and should not be told what to do.
4. After reading the whole poem, how do you think the writer feels about his mom?
He loves his mom and is thankful for what she has done for him.
... ... ...
Look at these sentences.
I think students should be allowed to do homework with friends.
Sixteen-year-olds should not be allowed to drive.
Do you think sixteen-year-olds should be allowed to choose their own clothes?
含情態動詞的被動語態
肯定句: 主語+ 情態動詞+be+ 動詞過去分詞.
否定句: 主語+情態動詞+not+ be+動詞過去分詞.
疑問句: 情態動詞+ 主語+ be+ 動詞過去分詞?
轉變方法
(一)將主動語態的賓語變成被動語態的主語。
(二)將含情態動詞的主動句式變成被動句式，即：“情態動詞+動詞原形”變成“情態動詞+be+過去分詞”，然后再在其后加“by+主動句中的主語(人稱代詞用賓格)”。by短語也可省略。
請看下列各句：
You should finish your homework first.
Your homework should be finished (by you) first.
You can take this magazine home.
This magazine can be taken home (by you).
... ... ...
句式變換
含情態動詞的疑問句、否定句的變化均需借助于情態動詞完成。
1. 一般疑問句：直接將被動語態的陳述句中的情態動詞提前。
Must this task be finished at once?
這項任務必須立即完成嗎？
注意：含情態動詞的被動語態的一般疑問句的回答，應保留原情態動詞，但must表“必須”時，其否定回答應用needn’t；need表“必要”時，其肯定回答應用must。如：
--- Must my exercise book be handed in now?
我的練習本必須現在上交嗎？
--- Yes, it must. 是的，必須現在上交。
（No, it needn’t. 不，不必現在上交。）
--- Need he be operated on at once?
他必須立即手術嗎？
--- Yes, he must. 是的，他必須。
（No, he needn't. 不，他不必。）
2. 特殊疑問句 ：由特殊疑問詞加上被動語態的一般疑問句構成。
When must this task be finished?
這項任務必須在什么時候完成？
3. 否定句： 在情態動詞后面加上not或never即可，但must表"必要"時否定式為needn't。
This task needn't be finished at once.
這項任務沒必要立即完成。
... ... ...
Free Talk
4c What rules should an English club have? Make a list of rules for it.
Homework
Talk about what should be allowed to do or should not be allowed to do in school or your family.
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