2020-2021学年人教版英语九年级 Unit4 知识点整理

Unit 4知识点 P25 1.used to do sth.过去常常做某事 be used to doing sth.习惯于做某事 He used to get up late,but now he is used to getting up early. 他过去常常起床很迟，但是现在习惯于早起。 I used to be afraid of the dark.我过去害怕黑暗。 2.used to do sth.中used 不随主语的变化而变化。 Mario, you used to be short ,didn’t you ? Mario,你过去很矮，不是吗？ Yes,I did./No, I didn’t.(依据事实来答） 3.What’s sb like ?可用来提问人的相貌，也可用来提问人的性格、品质。而What does sb look like?只用来提问相貌 What’s your math teacher like?既可以回答：He’s tall and thin.也可以说He’s outgoing. What does your sister look like?-She’s of medium build with short hair. 她中等身材，留着短发。 P26 4.humorous adj.有幽默感的、滑稽有趣的 serious adj.严肃的;重大的;认真的;严重的 5.silent adj.不说话的，沉默的 be /keep /stay siltent 保持沉默 silently adv. She was always silent in class.她在课堂上总是不说话。 in silence 安静地，无声地He walked into the room in silence. She got good grades in silence.她默默地取得了好成绩。 6.helpful adj. 有帮助的；有用的 a helpful suggestion 一条有用的建议 be helpful to sb. 对某人有用 a helpful child 一个乐于助人的小孩 7. from time to time 时常；有时=sometimes =at times She still plays the piano fr