Unit 10 If you go to the party, you'll have a great time 核心语法-2023-2024学年八年级英语上册【学与练】核心语法&重点词汇（人教版)

Unit 10 If you go to the party, you'll have a great time. 内容提要： 1. 条件状语从句 2. 情态动词should 1、 条件状语从句 状语和状语从句 1. 状语是句子中修饰 ， 或 的成分，一般表示行为发生的时间、地点、目的、方式、程度等意义，通常由 、 或 等充当。 I love the picture very much. He works so carefully. He sat there in silence. 2. 一个句子充当某个句子的状语成分时，我们称这个句子为状语从句，也叫副词性从句。一般可分为时间状语从句、地点状语从句、原因状语从句、目的状语从句、结果状语从句、条件状语从句、让步状语从句、比较状语从句和方式状语从句等九类。 I heard him singing when I passed there.(时间状语从句) Where there is a will, there is a way. (地点状语从句) He is angry, because his sister broke his toy. (原因状语从句) You need to get up early so that you can catch the train. (目的状语从句) He got up early so that he caught the early bus.(结果状语从句) If you go to the party, you’ll have a good time. (条件状语从句) Though he is rich, he isn’t happy. (让步状语从句) He runs faster than Tom does.(比较状语从句) When in Rome do as the Romans do.(方式状语从句) 条件状语从句 1. 在句子中作条件状语的从句成为条件状语从句。引导条件状语从句的连词有 等。 2. 各种连词引导的条件状语从句 (1) if引导的条件状语从句。 if表示“ ”。 If it is sunny tomorrow, we’ll have a picnic. If you get more exercise, you may become stronger. (2) unless引导的条件状语从句。unless表示“ ”。 You won’t pass the PE exam successfully unless you exercise every day. Unless you practice every day, you won’t make any progress. unless 相当于“ ”，上面两句可变为： You won’t pass the PE exam successfully if you don’t exercise every day. If you don’t practice every day, you won’t make any progress. (3) as long as引导的条件状语从句。 as long as表示“ ”。 My family will go on a picnic in the park as long as it doesn’t rain tomorrow. You’ll succeed one day as long as you try your best. (4) once引导的条件状语从句。 once表示“ ”。 Once you begin, never stop. Once you understand the rules of the game,you’ll enjoy it. 3. 条件状语从句的时态问题 (1) 条件状语从句一般遵循“ ”的原则。主要有三种情况： · 主句是 ，从句要用一般现在时代替一般将来时。 If you tell the new to your friends, they will be so happy. I won’t make it unless you help me. · 主语的谓语动词部分包含 ，从句要用一般现在时代替一般将来时。 You