1、2.从属连词从属连词 1) that I think(that) he likes football. 我想他喜欢足球。 that 引导名词性从句(主语从句、 表语从句、 宾语从句和同位语从句)和定语从句， 本书只介绍宾语从句。 1.that 在宾语从句、间接引语中可以省略，主句与从句时态一致。 I think(that) he is tired.我想他累了。 I thought(that) he was tired. 注意注意 要特别注意主句与从句时态的呼应。如果主句是过去时，从句一律改为过去的要特别注意主句与从句时态的呼应。如果主句是过去时，从句一律改为过去的 时态，详见第二十章宾语从句。
2、时态，详见第二十章宾语从句。 2.如果主句的动词是 think， believe；如果主句的主语是第一人称，变为否定 句时，要否定主句，译成中文时，则否定从句。 I believe you will leave here. 我相信，你会离开这儿的。 I dont believe you will leave here. 我相信，你不会离开这儿的。 必背！必背！ I hope that我希望 I think that我认为 I say that我说 I know that我知道 I find that我发现 be afraid that恐怕 be sure that确认 be glad(happ
3、y) that很高兴 (以上的 that 都可以省略) 2) when，while，till，until，since When he arrives there he will call you. 他到达那儿以后，他会给你打电话。 when， while， till， until， since， after， before， as soon as 等是连接时间 状语从句的连词。在时间状语从句中要特别注意时态的搭配：当主句是将来时， 从句要用一般现在时。 注意注意 while所引导的从句的谓语动词只能是延续性的， 不能用点动词。 (如begin， stop) When I arrived the
4、re， it was raining. 当我到那儿时，天正在下雨。 I entered the room while(when) Li Ming was talking with her. 我进屋时，李明正在和她谈话。 I didnt go to sleep until(till)I finished my homework. 直到我做完作业，我才上床睡觉。 We wont work until(till) our teacher teaches us how to do it. 老师教给我们如何做这工作之后，我们才会开始做。 He came to China after the war wa
5、s over. 比较比较 连词连接从句不同，意思不同。连词连接从句不同，意思不同。 He had been in China before the war was over. 战争结束前，他已经在中国了。 =The war was over before he came to China. =The war had been over before he came to China. 战争结束后，他来到中国。 I have learned more than two thousand English words since I began learning English two years
6、ago. 自从两年前我开始学习英语以来，我已经学习了两千多个英语单词了。 注意注意 since 引导的是一个过去时的句子，说明自当时以来到现在(自从两年前以来)，主 句一般要用现在完成时。 As soon as I get enough money，Ill buy it. 我一得到足够的钱，就买它。 3) because：因为，连接原因状语从句：因为，连接原因状语从句 She didnt go there，because she was ill. 因为她病了，所以她没去那儿。 1.回答 Why 问句时，只能用 because，不能用 for 或 as. Why are you late？ 你为
7、什么迟到？ Because I met a traffic accident on my way here. 因为在我来这儿的路上，遇到了车祸。 2.汉语中， 我们经常说因为所以， 但在英文中有了 because， 就不能再用 so。 ( )Because he was tired， so he couldnt walk there. 因为他累了，所以他不能走到那儿了。 4) if，though (although) If it doesnt rain，well go to the park. 如果不下雨，我们就去公园。 Though I was tired， I still worked h
8、ard. 虽然我很累，可是我仍然努力地工作。 1.if：如果(引导条件从句) You can pass the exam if you study hard. 如果你努力学习，你会及格的。 2.though，although：虽然(引导让步状语从句)和原因状语从句一样，如果用了 though，although (虽然)就不能再用 but(但是)。 Although(Though) I live near the sea， Im not a good swimmer. =I live near the sea，but Im not a good swimmer. 虽然我住在海边，可是我游泳并不好
9、。 注意注意 注意时态一致， 和时间状语从句一样。 主句是将来时之时， 从句要用一般现在时。 5) sothat：太：太以致以致 He is so old that he cant work. = He is too old to work. 他太老了，不能工作。 The box is so heavy that I cant lift it. =The box is too heavy for me to lift. 箱子太沉了，我抬不起来。 The girl is so beautiful that everybody likes her. 这个小女孩太漂亮了，每个人都喜欢她。 注意注意
10、注意此句型与 tooto 的互换。 sothat 在肯定句中不能转换成 tooto。 从属连词从属连词 练习题练习题 一、从所给连词中选取合适的，填入下列各句空格内。 that, what, which, who, how, why, whether, when, how long, how many 1I want to know_ they are preparing for. 2Please tell him_ the train will arrive. I want him to come to the station to meet me. 3Can you tell me_ he
11、 will come or not ? 4I dont know_ he is always late. His house is not far away from here. 5Can you tell me_ Lesson is the most difficult in Book V ? 6I dont know_ he could draw a picture in five minutes. He must have a good way. 7He didnt know_ his mother was ill. 8Do you know_ has broken the glass
12、? 9I dont know_ books he bought yesterday. 10Can you tell me_ he is going to stay there ? 【答案】 1what 2when 3whether 4why 5which 6how 7that 8who 9how many 10how long 二、改正下列句中的错误 1Both you and your sister studies hard. 2Not only we but also she are going to the movies. 3Either he or I are to go. 4Mother as well as father love us. 【答案】 1studiesstudy 2areis 3aream 4loveloves 三、用简单句和主从复合句翻译下面句子 这些问题太难了，我们都不能回答。 【答案】 简单句： These questions were too difficult for us to answer 复合句： These questions were so difficult that we couldnt answer them