《Protect the Earth》PPT(第二課時)
第一部分內容：Introduce
I can use ___ to ____.
We should _______.
We should not _______.
... ... ...
Protect the EarthPPT，第二部分內容：Words
use… to…
“use + 名詞 + to + 動詞原形”意思是用某物做某種東西。
to后接動詞原形。
常用短語： protect the earth 保護地球
eg：She always uses too much water to clean things.
她總是用太多的水來清洗東西。
小練習：In the past, we often ____(use) wood to make fire..
Use··· to···擴展
(1)used to表示過去常常做某事。
eg：I used to play football after school。
過去我常常在放學后踢球。
(2)be used to + doing： “習慣于···”,to是介詞,后需加名詞或動名詞。
eg：Sarah is used to taking a walk。
Sarah習慣于散步了。
... ... ...
Protect the EarthPPT，第三部分內容：Expand
can作情態動詞用法
(1)(表示能力)能···;會···
eg：She can drive，but she can’t ride a bicycle.
他能開車,但是不會騎自行車。
(2)(表示可能、許可)能夠···;可以···
eg：You can’t park your car in this street.
你不可以在這條街上停車。
could/be able to 區別
could表示“原來具備某種能力,現在沒有這種能力了”。
但was/were able to則表示過去成功地做成了某事。
eg：I could swim all the way across the lake，but I can’t now.
我原來能游過這個湖,但現在不能了。
The fire spread through the hotel very quickly but everyone was able to get out.
大火很快蔓延了整個旅館,但全體人員都脫離了危險。
... ... ...
Protect the EarthPPT，第四部分內容：Exercise
( )1.The oil is________ .
A. use B. reuse C. useful
( )2.To keep the air clean, don’t ________to work every day.
A. walk B. run C. drive
( )3.We often use______to clean things.
A. coal B. oil C. water
( )4.There______ some paper on the desk.
A. has B. is C. are
( )5.People cut down ______trees every day.
A. lot of B. many C. much
( )6.We can use paper______ a toy plane.
A. make B. making C. to make
... ... ...
Protect the EarthPPT，第五部分內容：Homework
Collect more examples of environmental damage, write a small report，report showing in the class.
關鍵詞：牛津譯林版六年級上冊英語PPT課件免費下載，Protect the EarthPPT下載，.PPT格式；
