Unit 3 Section B 2a-2e 知识点 2023-2024学年人教版八年级英语下册

Unit 3 Section B 2a-2e 1.enough stress足够的压力 2.a waste of time浪费时间 3.in order to为了 4.get good grades取得好成绩 5.mind doing sth. 介意做某事 6.depend on依赖;依靠 7.develop children s independence发展孩子的独立性 1. depend depend意思为“依靠、依赖、取决于”等,只用作不及物动词,通常与介词 on, upon 连用,主要用法有: (1)depend on/upon+某人或某物例如: Whether we’ll go camping depends on the weather. 我们是否去野营要看天气。 有时可在某人或某物后用介词for。例如: Children depend on their parents for food and clothing.儿童的衣食靠父母。 (2)depend on [upon]+从句 例如: Our success depends on whether everyone works hard or not. 我们的成功取决于每个人是否努力。 The amount you pay depends on where you live. 你付多少钱要看你住什么地方。 (3)口语中说 It (all) depends. /That depends.意为“那要看情况”。例如: - Are you going too? 你也去吗? -That depends. 那要看情况。 depend on意为“视……而定;取决于;依靠”,其后可跟名词、代词或从句作宾语,on也可以换为upon。例如: -When shall we start? 我们什么时候动身? -It depends on(upon) the weather. 依天气情况而定。 He depended on his uncle after his father died. 父亲去世后,他依靠他的叔叔。 2. provide provide为及物动词,意为“提供”,常和with搭配。provide sb. with sth.表示“为某人提供某物”,其同意表达为 provide sth. for sb.。例如: The Sun provides us with light and heat. 太阳给我们提供光和热。 Sheep provide us with wool. /Sheep provide wool for us.羊供给我们羊毛。 3. since (1)since作介词,意为“从…以来; 自从…之后”。例如: She has been ill since last weekend. 她自从上周末就病了。 She has been in Wuhan since four years ago. 自从四年前她就在武汉。 (2)since作连词,可以意为“因为; 既然; 由于”。例如: Since it is late I shall go home now.由于时间晚了, 我现在要回家了。 Since you are so sure of it he’ll believe you.既然你对此这么有把握, 他会相信你的。 1. They should spend their time on schoolwork in order to get good grades and get into a good university. 本句中的in order to是一个固定搭配的短语,意思是“为了”,后接动词原形构成不定式结构在句子中作目的状语,否定形式是在to前面加not。in order to: “目的是、为了”,比单纯的to do更强调 “目的”,可放句首,也可放句中。in order to可以和so as to 互换,但后者不能放在句首。例如: In order not to be late, you should go now. 为了不迟到,你现在应该走。 He came home early in order to see the kids before they went to bed. 他早回家是为了在孩子们睡觉前看到他们。 In order to ensure success we must have a complete and thorough (周密的) plan. 为了保证成功,我们必须要有一个周密的计划。 in order to+动词原形和so as to+动词原形可以转换成in order that+从句和so that+从句。例如: He did