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重庆大学版（必修）英语4一年级《Theme B Plants and Animals Plants Unit 3 Plants Grammar》优秀教学课件
Kate: Especially a primary school teacher! Some of the kids wanted to talk with you. They wanted you to answer every question they asked. Some kids pretended to be sleeping in class.
Julia: Sounds terrible! I hope not to meet kids like that.
Kate: Fortunately, the other teachers in my office gave me many suggestions. One teacher helped me solve the first problem. He made every kid speak two minutes in class. Another one told me that I could have some kids stay after school to have a friendly conversation. Let me tell you the truth, now I am happy to have been staying with my workmates and my kids!
What are infinitives?
basic form? _______+_________
to
verb
Change of person: Yes/No?
eg: It‘s not an easy job to be a teacher.
Some of the kids wanted to talk with you.
Change of singular or plural form: Yes/No?
eg: It's not an easy job to be a teacher.
They wanted you to answer every question they asked.
.
Change of voice: Yes/No?
eg:I was asked to remember all the 60 students' names.
I am glad to be invited here.
He was said to be killed in the accident.
Change of tense: Yes/No?
eg:Some kids pretended to be sleeping in class.
I am happy to have been staying with my workmates !
I am sorry to have kept you waiting.
I am glad to hear from you.
He seemed to be lying.
总结： 动词不定式to+动词原形无人称或单复数的变化。但有时态和语态的变化，其否定形式是在不定式符号前加not或never。