Unit 8

　　Have you read Treasure Island yet ?

　　Lesson 3

　　Section A (Grammar Focus –4c )

　　Teaching aims:

　　Knowledge aims :

　　Ss can use present perfect tense to talk about events.

　　Ability aims:

　　Talk and write using present perfect tense.

　　Moral aims:

　　Teasure time and everything.

　　Teaching key points:

　　have / has done

　　过去分词

　　already / yet

　　Teaching steps:

　　Step1, Grammar

　　Let Ss read the sentences in Grammar Focus, find out how to use present perfect tense.

　　Give Ss some time to find sentences with present perfect tense in section A, then read to the class.

　　Let Ss read page 110 in textbook.整理现在完成时的构成，句型转换。

　　Step 2, Past participle

　　Show a chart to Ss ,let them read and find out the regularity.

　　regular play-played-played

　　help-helped-helped

　　irregular AAA read- read- read

　　cut-cut-cut

　　ABB meet-met-met

　　tell-told-told

　　ABC sing-sang-sung

　　take-took-taken

　　ABA come-came-come

　　run-ran-run

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