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Step1:Lead—in T: Ask the whole class :
我已经买了这本书了。How to say ?
Ss: I have already bought this book .
I haven’t bought this book yet .
Have you ever bought this book ?
Yes , I have . / No , I haven’t .
Step2: T: Watch the bb. more sentences about present pefect tens read together .
Step3: T: This part work with your partners , ask and anser .
eg: 1. How long have you studied English?
2.How long have you known your best friend ?
T: Ready ? (Ss work with partner one by one .)
Step4:A: T: Take out your excersice book , and then write down the anser .
eg: 1.The man has collected stamps _since_many years ago.
2.I have listened to the music _for___two minutes.
B: T: Have you fished ? please show your answer on the bb. and heck togther .
Step5: T: 我买了这本书有一年了。How to say ?
Ss : I have had this book for a year .
T: Why we use “had”for “bought” ?
Ss :“a year”是时间段“had”是延续性动词。
T: Watch the video , read togther .
eg: ①arrive at/in → be in
get to/reach → be in
T: two munites for you to remember this part .
Take out your excersice book , and then write down the anser .
eg: become/come → be
④borrow → keep
T: Are you OK ? show your answer on the bb. and check togther .
Step6: T: Look at the picture , and use “for” , or “since” to make sentence .
eg: Sam got a fever two days ago. →
Sam has had a fever for two days.