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外研2003课标版《Grammar》精品PPT课件优质课下载
现在完成进行时
WAY
BACK
INTO
LOVE
Underline this tense in the following sentences
1954：be born
1961~：act
Jackie Chan has been acting since 1961./ for 58 years.
Jackie Chan
Jackie Chan’s acting life
1961
Started acting
has been acting
58 years
He has been acting since 1961.
He has been acting for 58 years.
2019
acts
future
I started teaching English in 2003.
I am still teaching English now.
I have been teaching English for 16 years/since 2003.
Past
2003