Unit 7 How much are these socks 知识点2023-2024学年人教版七年级英语上册

Unit 7 How much are these socks ？ 一.含有实义动词用法的做题规律 1.I→am→am not→V原→do→don't 2.He/she/it/this/that/人名/名单/形物代+名单→is→is not→V单→does→doesn't 3.We/you/they/these/those/名复/形物代+名复→are→are not→V原→do→don't do/don't/does/doesn't引导句子后都用V原形； 二.英语中常见询问物品价格用语: 1.How much is+the/this/that +单数名词物品/it ? ...多少钱？ It's +基数词+货币单位 . 2.How much are+the / these / those +复数名词物品/they? …多少钱？ They're +基数词+货币单位. 3.What's the price of...? =How much is/are....?/ What's the price of...? It's +基数词+货币单位 . 三.用法 1.Can I help you ？/What can I do for you ？/May I help you？ Yes,please./No,thanks. 2. I'll take it./I'll take them. 3.Here you are. 4.buy sb.sth.=buy sth.for sb. 给某人买某物 buy sth. from... 从...购买某物 5.sell sb.sth.=sell sth.to sb. 把某物卖给某人 6.at a great sale相当于on sale，意为“减价出售”。 7.辨析for sale与 on sale for sale 表示“待售；供出售” on sale 表示“出售、减价出售” 8. 介词for用来表示物品的价格： 价格+for+具体物品; Eg：30 dollars for shirt. 9.at very good prices 以很优惠的价格 at a low/high price 以低价/高价 10.the price of ...的价格； the price of+其它；作主语时,谓语动词用单数； Eg：The price of this car is very high. 11.expensive/cheap/high/low的区别 1)expensive 描述物品贵； 2)cheap 描述物品便宜； 3)high 表示价格高； 4)low 表示价格低； 12.hundred,thousand,million(百万),billion(亿)等词，与具体数字连用时，用单数形式，其后不加s和of；当前面没有具体数字时,s和of都加上； Eg: three hundred men teachers Eg: hundreds of women teachers 13.辨析：clothes与clothing clothes 指衣服、服装，作主语时，谓语动词用复数； clothing 指衣服，尤其是某种类型的服装，不可数，作主语时，谓语动词用单数； clothes 指衣服、服装，作主语时，谓语动词用复数；不能直接与数词连；但可以用these/those/some等词语修饰，表示一套衣服用“a suit of clothes”，谓语动词的单复数由suit的单复数决定； 拓展：和a suit of 用法相同的还有：a set of；a pair of； 14.表示货币等度量单位作主语时，谓语动词用单数； Eg:100 dollars is quite a lot of for him. 15.trousers,socks,shorts,shoes等物品常常成双成对出现，它们作主语时，谓语动词常用复数形式。 16.need to do sth. 主语多为人； need doing sth. 主语多为物； 17.look用做系动词，意为“看上去”，后接形容词； look 的相关短语： look at 看； look after 照顾，照料； look like 看起来像； look for 寻找 $$