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《Grammar and usage(2)： Present perfect continuous tense》最新PPT课件优质课下载
have/has done
tense?
Revision
She is drinking.
I am driving now.
He is cleaning the window.
He is cheating in the exam.
present continuous tense
form?
be doing
tense?
Revision
present perfect continuous tense
form?
tense?
1.Who is teaching English in the video?
2.Do you know when I began teaching English
here ?
That is to say , I have been woking here
since 2009.
Yes ,its me.
Ok .Let me tell you . I started teaching in this
school in 2009.
I am reading the book.
I have read the book.