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《Learning about Language》新课标PPT课件优质课下载
Present Perfect Continuous tense
Look at the following sentences and tell the tense of each sentence .
I have studied English since 1975.
Li Ming went abroad last year.
Sorry,I'm full,I have had supper already.
We haven't heard from each other for a long time.
Tom, I have been looking for you all morning.
The girl has been playing with toys.
lead-in
Grammar
Present Perfect Continuous Tense 现在完成进行时
Learning Aims
Knowledge aims:
1.To revise the basic use of the Present Perfect Continuous tense.
2.To tell the differences between the present perfect tense and the Present Perfect Continuous tense.
Ability aims:
Try to use the Present Perfect Continuous tense
to solve the problems.
Emotional aim:
1. To become interested in grammar learning.
2. To develop your sense of group cooperation.
1.构成形式：
2.用法：
一、现在完成进行时
has﹨have been doing