Unit4Iusedtobeafraidofthedark知识点整理VIP免费

Unit 4 I used to be afraid of the dark.知识点 1 Unit 4 I u sed to be afraid of the dark. 语法 u sed to 的用法 1.“used to do sth” 意为“过去常常做某事” ，表示过去的习惯动作或状态，现在 已不发生或不存在。 She used to be thin,but now she is fat. The young man used to wear glasses,but now he doesn’t wear glasses. 2.带 used to 的句子的各种句式的构成： (1)肯定句的构成是:主语+ used to do sth. He used to play basketball after school. (2)否定句的构成是:主语+ didn’t use to do sth. She didn’t use to have long hair. (3)一般疑问句构成是: Did+主语+use to do sth? 肯定回答是： Yes,主语+did 否定回答是：No,主语+didn’t Did he use to play the piano? Yes,he did/ No,he didn’t (4)反意疑问句的构成是：didn’t+主语？ She used to be very thin, didn’t she? 3.妙用异同 (1)used to do sth.表示过去习惯性的动作或经常性的状态. He used to smoke,didn’t he? (2)be used to doing sth 表示“习惯于做某事” My parents are used to getting up early. (3)be used to do sth=be used for doing sth 是被动结构，表示“被用来做某事” The knives are used to cut things.=The knives are used for cutting things. (1)—Wow ! You look different! You w ear glasses. —Yes,I did. But now I am w earing contact lenses(隐形眼镜) Unit 4 I u sed to be afraid of the dark.知识点 2 A.could B. must C.used to D.would (2) When I was a child, I used to ___________ strawberry. A. liking B. like C. liked D. likes (3)___________ study in No.4 Middle School? A. Did you used to B. Did you use to C. Do you used to D. Do you use to (4)She used to with her parents, but now she is used to___with her classmates at school. A. live; living B.live; live C.living; living D.living; live (5)Mother used to grow flowers in her garden.(改为否定句) Mother grow flowers in her g...