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人教2003课标版《Learning about Language》PPT课件优质课下载
began
moved
have lived
left
went
has visited
has just come
Fill in the blanks
Lead-in
The Present Perfect Tense
现在完成时表结果, 他的动作发生在过去, 但是对现在有影响, 而这种影响却往往是说话人的兴趣所在。现在完成时跨越两个时间, 一个是过去, 另一个是现在。
现在完成时:
To study the usage of Present perfect continuous tense.
To master the usage of Present perfect continuous tense.
to arouse students' interest of studying grammar.
现在完成进行时的构成:
have/has been doing
用法1
现在完成进行时表示过去的动作持续到现在并有可能持续下去.
CCTV has been broadcasting English programs since 1984.
broadcast
1984
future
now
broadcast