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难点1. 能够在语境中正确运用现在完成时。
2. 理解并运用常和现在完成时连用的时间表达方式。教 学 过 程
（包括教学环节、教学用时、师生活动）二次备课Step 1 Lead-in (3min)
1. Free talk
T: What do you know about Mr Chen and Sunshine Town?
Step 2 Presentation (22min)
1. When to use the present perfect tense:
(1) We use the present perfect tense to talk about an action that started in the past and continues to the present.
(2) We use the present perfect tense to talk about an action that happened in the past and has a connection with the present.
(3) We also use the present perfect tense to talk about how many times an action has happened till now.
2. Matching exercise
T: Here are six sentences in the present perfect tense. Match the reasons for using the tense on the right with the sentences.
3. Structure of the present perfect tense
sb + have/has + done
4. Work out the rule
(1) Present some positive statements in the present perfect tense and ask students to work ou t the rule.
He has just gone home.
She has already had a holiday this year.
It has broken!
I have seen my new English teache r.
They have bought a new car.
You have f inished the exercise.
We have seen this film before.
◆We use “have + done” with pronouns like _____, _____, _____ and _____.
◆We use “has + done” with pronouns like _____, _____ an d _____.
(2) Present some negativ e statements in the present perfect tense and ask students to work out the rule.
sb + haven’t/have not + done
hasn’t/has not
(3) Present some Yes/No questions in the present perfect tense and ask students to work out the rule.
Have/Has + sb + done