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Grammar Task 1: Learn the grammar

T: After learning the FUNCTION part we’ve known how to talk about obligation and lack of obligation. Next, we will specially go into the difference between needn’t have done and didn’t need to. Let’s make out the difference between them. Needn’t have done means that you did something, but it wasn’t necessary while didn’t need to do means it wasn’t necessary for you to do something, and you didn’t do that indeed or you did. Now let’s look at the following examples.

Show the following.

1. That’s all settled. It needn’t to be talked about.

Still, she needn’t have run away.

You need not have gone there yesterday. We had plenty of bread, so I needn’t have bought a loaf.

They needn’t have been punished so severely.

2. Oh, mother, really you didn’t need to dust them. I think you didn’t need to be impolite to her.

And you didn’t need to feel surprised.

So you didn’t need to hurry with you homework.

Then ask the students to finish Activities 1-4 on pages 6-7. And then check the answer.

Task 2: Practice T: Now let’s go on to finish Activities 1-3 in Grammar in the workbook on pages 67-68. Then check the answer with the whole class.

Task 3: Summary

T: Today we have learned to talk about obligation or lack of obligation. Practice them in different occasions.

Step Ⅳ Homework

1. Review the expressions of obligation or lack of obligation.

2. Find some information on email writing.