复习现在完成时课件
日期:2010-05-28 05:10
复习现在完成时态
主要时态
1S+V/S(三单)+Vs/es
2S+Ved
3S+be+Ving
4S+will+V
5S+have/has+Vpp
plant trees
I planted trees
I am planting trees
I will plant trees
I have planted trees
I plant trees
He plants trees
1S+have/has+Vpp
现在完成时:
2Vpp的构成:
put -,
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