Unit 4 I used to be afraid of the dark Grammar FocusClass TypeGrammarObjectives1. To learn the expression of “used to”.2. To better understand and express the sentences with “used to”.Key structure1. I used to be short.2. She didnt use to like tests.3. You used to be short, didnt you?/ Did he use to wear glasses? Yes, he did. / No, he didnt.DifficultiesHow to well express and use the structure “used to” in practice.Period1ProcedureLead-inEnjoy a song: I Wonder.Step 1Read the sentences with “used to be” underlined.Step 2Explanations about “used to + 动词原形”.Step 3The negative forms and questioned forms of “used to do”, and some examples about “used to do”.Step 4Explain the disjunctive question with some examples.Step 5Show Ss some comparisons pictures and ask them to make sentences by using “used to”.Step 6More exercises.1. The exchanges of sentence structures.2. Complete sentences with correct words.Step 7Comparison.Show Ss the comparison of “be/get used to doing” and “be used to do sth.” with some examples.Step 8More exercises about the grammar focuses.1