不定式的时态+不定式的语态.pdf

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1、不定式的时态+不定式的语态不定式的时态 1.一般时(to do);I begin to understand the truth.Would you like to come to my birthday party?Did you go to visit the Great Wall last year?2.现在时(to be doing);He seems to be following us.I happened to be standing next to him when he fell to theground.The teacher happened to be correcti

2、ng our papers when Icame in.3.完成时(to have done);He seems to have caught a cold.Im sorry to have given you so much trouble.I hope to have finished the work by now.4.完成进行时(to have been doing);He seems to have been waiting a long time.He pretended to have been studying.He was said to have been teaching

3、 in high school for 2 years.不定式的被动语态 1.不定式一般时的被动语态done);(to beDid it need to be done so soon?She cant bear to be laughed at.There was a lot of rubbish to be got rid of.2.不定式完成时的被动语态(to have been done);Im pleased to have been given this opportunity.The work seemed to have been finished before the deadline.Its said to have been built in the Ming dynasty.