Unit 2 单元语法精讲精练（作业课件）-【四清导航】2022-2023学年九年级英语上册（人教版）河南

四清导航 6 英语九年级上册人教版 单元语法精讲精练 ·概念：在复合句中用作宾语的从句叫宾语从句。 ·不同引导词引导的宾语从句 1.that引导的宾语从句：当宾语从句是陈述句时，用连接词that引导，that在口语、 非正式语境中常被省略。 She said that she went to the park last week.她说她上周去了公园。 2.if或whether引导的宾语从句：当宾语从句是由一般疑问句变来时，要用连接词if 或whether来引导。一般情况下二者可以互换使用。 I want to know if/whether he is waiting for me.我想知道他是否在等我。 【注意】下列情况中一般只能用whether引导： (1)与or noti连用时。 Idon't know whether he likes the movie or not.我不知道他是否喜欢这部电影。 (2)作discuss等词或作介词的宾语时。 We discussed whether we should close the shop.我们讨论了是否应该关闭那家商店。 (3)在动词不定式之前时。 We are discussing whether to go shopping.我们在讨论是否要去购物。 ·宾语从句的时态 1.如果主句是一般现在时，宾语从句的时态应根据实际情况来定。 I want to know if it will rain tomorrow,我想知道明天是否会下雨。 2.如果主句是一般过去时，宾语从句常用过去的某种时态。 I didn't know that my son lost the football match at that time.那个时候我并不知道我 儿子输掉了足球比赛。 【注意】如果主句是一般过去时，宾语从句所表达的是客观真理或不可改变的自然 现象时，宾语从句仍用一般现在时。 The teacher told us that the earth is smaller than the sun.老师告诉我们地球比太阳小。 ·概念：用来表达说话时的惊异、喜悦、气愤等情绪的句子叫感叹句。 ·结构 (1)What+a/an+形容词+可数名词单数(+主语+谓语)！ (2)What+形容词十可数名词复数/不可数名词(+主语十谓语)！ (3)How十形容词/副词(+主语+谓语)： (4)How+主语十谓语！ 【注意】what与how引导的感叹句通常可以互相转换。 What beautiful flowers they are! =How beautiful the flowers are!多美的花儿啊！ What a tall boy Tom is! =How tall(aboy)Tom is!汤姆好高啊！ How time flies!时光飞逝！ 一、用that,if,whether:填空。 1.I believe that August is the hottest month in China. 2.Bill thinks that the teams were fantastic. 3.Mary wonders if whether she'll go to the beach tomorrow. 4.Everyone wants to know whether it's fun to watch or not. 5.Peter asks ifwhether you'll come back next year to watch the races. 二、用括号内所给单词的适当形式填空。 6.I wonder if Tom will be (be)an actor in the future. 7.How dangerous (danger)it is to cross the road in the heavy traffic! 8.I think that they were shopping(shop)at this time yesterday. 9.The teacher told us that light fravels (travel)faster than sound. 10.He told me that he was leaving/would leave (leave)for Shanghai next week. 三、根据括号内的汉语提示完成句子。每空一词。 11.-About 100 million Chinese people had got out of poverty (by the end 0f2020. What a great achievement