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译林版英语模块十 Module X Understanding society《unit 3 protecting ourselves Task(1) Writing an article giving advice and warnings Skills building 1 and 2》优质课ppt课件
You should / ought to …
You had better not…
You have to…
You must / must not…
Lead in
Read the following and tell which expresses the strongest obligation, which expresses less strong obligation, which expresses the least strong obligation, and give you reasons.
Skills building 1:
identifying degrees of obligation
You don’t have to go to school tomorrow if you are feeling ill.
You ought to eat some fruit every day.
You ought not to eat so much ice cream.
You should get enough rest every night.
You should not play computer games all evening.
You had better wake up earlier tomorrow.
You had better not walk home in the rain.
You have to take medicine if you want to get better.
We must finish our project today because it is due tomorrow.
You must not forget to do your homework.