牛津译林版英语八下_Unit 3 Grammar 精品教案
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初中英语学科教案
Step1 Revision
1.Dictation
2.Let the Ss.say out the differences between the simple past tense and the present perfect tense;
Step 2 Lead-in
Revise the sentences with the simple past tense and the present perfect tense; Or ask some questions with the simple past tense and the present perfect tense
Step 3 Presentation
Present some sentences to show the differences in structures, concepts and time expressions between the simple past tense and the present perfect tense
• We use the simple past tense to tell what happened in the past.
Daniel went to Beijing two years ago.
We use the present perfect tense to talk about an action that started in the past and continues to the present.
Daniel has lived in Beijing for two years
He has read that book. (说明他现在知道那本书的内容。
)
He read that book last year. (只说明他去年读过那本书。
)
He has gone to America.
(他现在不在此地，到美国去了。
)
He went to America last year.
(只说明他去过美国。
)。