present tense to present perfect tense
Video Statistics and Information
Channel: LearnAmericanEnglishOnline
Views: 60,915
Rating: 4.9330144 out of 5
Keywords: Present Perfect, Present Tense
Id: 7TosLDHvMw0
Channel Id: undefined
Length: 7min 33sec (453 seconds)
Published: Thu Feb 16 2012
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