新版人教版七年级下 英语 unit4 与练习新版人教版七年级下Unit 4 Don’t eat in class2.arrive late for = be late for 做某事迟到Don’t arrive late for school.上课不要迟到。have to / musthave to“必须，不得不”，表示客观需要，即受客观条件限制不得不或必须去做某事。must表示说话人的主观看法。must只用现在时，在表示过去、将来和完成时，用have to 的相应形式来代替must.My mother is ill, I have to look after my sister at home.我妈妈病了，我必须在家照看我妹妹。You must be careful. 你一定要小心。practice doing sth 练习做某事。Practice后跟名词，代词，动名词名词：She practices the guitar every day. 代词：Tom likes Eng lish. He practices it every day He practices playing the piano. too much / too many / much tootoo much“太多”，修饰不可数名词。 too much water太多水too many“太多”，修饰可数名词复数。 too many children太多孩子much too“太”，修饰形容词或副词。 much too small太小6.after school放学后 after class 下 before class 上课前7.on school nights 在上册间的晚上 on Sunday moring8.No talking! 禁止谈话！No+名词或动名词，表示禁止、不要做某事。 No smoking! 禁止吸烟！ No parking!禁止停车！ No swimming! 禁止游泳！ No photos! 禁止拍照 No noise!禁止喧哗！no 作定语。There is no bridge in the village.9.I have to be in bed by ten o’clock.我必须在10点之前上床睡觉。 1）in bed “睡觉，卧床”in hospital在住院 in the hospital在医院里at table 在吃饭 at the table在桌子边 2）by + 时间：在……之前 by Monday 在星期一之前by |
