Period 8-9 Task (1-2)

　　Learning aims（学习目标）：learn how to identify the degree of obligation

　　2. judge whether the advice is a suggestion or a necessity through the modal form

　　3. Enable the Ss to learn how to write an article with advice and warnings.

　　Important and difficult points（重点难点）：to identify degrees of obligation.

　　2. Try to ask for and offer alternatives.

　　预习导航

　　Have you ever got advice from others?

　　Is it a suggestion or necessity?

　　How can you identify them?

　　合作探究【有疑有问议一议】

　　Skills building 1: Identifying degrees of obligation

　　Step 1: Look at the following sentence patterns:

　　You do not have to…

　　You ought (not) to…

　　You should (not)…

　　You had better/ had better not…

　　You have to…

　　You must/ must not…

　　Do you know which pattern expresses the strongest obligation, which expresses less strong obligation and which expresses the least strong obligation?

　　Look at some sentences and decide which suggestions are and which necessities are.

　　1. You don’t have to go school tomorrow if you are feeling ill.

　　2. You ought to eat some fruit every day

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