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Inductive and deductive methods; explanation; communicative approach; task-based language teaching
3.Teaching aids Smart; pens; textbook; whiteboard
4.Teaching process
Step1.Lead-in
1) Review
(1) How long has Mr Chen lived in Sunshine Town?
(2) What has the government done to part of the town center?
(3) Why does Mr Chen think it is impossible to see his old friends as often as before?
2) Find the rule about present perfect tense from their own answers
Step2.Presentation
Comparing with simple past tense
We use the simple past tense to talk about what happened at a definite time in the past.
Past present
Eddie was born four years ago.
The definition of present perfect tense
We use the present perfect tense to talk about things that started in the past and still have some connection with the present.
Eddie has lived with Millie since he was born.
Past present Eddie has lived with Millie for four years. 3、Find out the rule
(1)She has helped the children with their lessons for an hour.
(2)They have learnt English for three years.
(3)I / We have not told it to him.
(4)Jim has not seen the film before.
(5)Has he finished the homework yet?
Yes, he has./No,he hasn’t.
现在完成时的结构
肯定：______+_______+_____
否定：______ + ______+______
一般疑问句：把________提前
肯定回答：_________/否定回答________
Have not 缩写成_________ Has not 缩写成___________