英语：unit1-tales of unexplained-grammar and usage教案（牛津译林版必修2）

●     Grammar and Usage

Present perfect tense

1. Use different methods to present the present perfect tense. Here are some ideas:

1) Please look at the screen. Pay attention to the different forms of the verbs:

2) Let’s complete the following sentences, in which the predicate part is missing.

    We_____(study) English for about five years.    

    They_____(live) in the south since their daughter was born.    

    I_______ (read) your article three times. It's well written.      

    The student________(finish) her homework already.         

Eric__________(go) back to his hometown today.          

Answers: have studied    have lived    have read    has finished    has gone

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