Unit 4 I used to be afraid of the dark.（第一课时）
一．导入
used to的用法
“used to＋动词原形”表示过去常常干某事，现在不在干了.只有一种形式，即过去式。I used to go to work by bus. Now I take a taxi.
—Did you use to be afraid of the dark?
—Yes, I used to be afraid of the dark.
—Did he use to be afraid of the dark?
—No, he did not use to be afraid of the dark.
＿There used to be a church here ,didn ‘t there ?
(1) He______ ______ ____ after school. 放学后他过去常常踢足球。
(2) He ____ ______ _____ __________________. 他过去不吸烟。
