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《Grammar》新课标PPT课件优质课下载
sentences of exercise 1 on the page 34, and summarize the different forms of the infinitive.
Three forms of infinitive
1. 不定式的一般式 to do
The doctor warned the patient not
___ (eat) oily food .
Sam has decided _______ (give) the beggar some money.
to eat
to give
2. 不定式的进行式 to be doing
I happened___________
when the telephone rang.
当电话铃响时，我碰巧在做饭。
The boy pretended________________
when his mother came in.
当他母亲进来时，那孩子假装在睡觉。
to be cooking
to be sleeping
3. 不定式的完成式 to have done
I'm sorry you so much
trouble.
我很抱歉给你带来如此大的麻烦。
He seems a cold.
他似乎已经感冒了。
to have given
to have caught