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《Learning about Language》集体备课PPT课件优质课下载
Learning aims:
1. To revise the present perfect tense and present perfect continuous tense.
2. To know the differences between them and use them properly.
Look at the following sentences. Pay attention to the underline parts.
I’ve been waiting for you for a long
time!
2. Since then, they have been trying to
find out how the fire began.
3. Well, we’ve been finding the bones
of tigers and bears in the caves, and
we think these were their most
dangerous enemies.
Form:
the Present Perfect Continuous Tense
现在完成进行时
Part A
have/has been doing
Look at the pictures and make sentences according to the time given.
The baby has been sleeping for one hour.
They have been playing basketball since ten past ten.
The young boy has been watching TV for almost two hours.
20:00
The telephone has been ringing for almost a minute.
The sound has continued about one minute.
The telephone is ringing.