课件24张PPT。专题七 连 词并列连词用来连接并列关系的词、词组或分句。
1.表示并列关系的并列连词 并列连词eg. The old and young like watching TV.老年人和年轻人都喜欢看电视。
Study hard, and you'll pass the exam.努力学习,那么你就会通过考试的。
Not only the students but also the teacher is against the plan. 不但学生们,而且老师也反对这个计划。
Both New York and London have traffic problems. 纽约和伦敦都存在交通问题。
Mary as well as I wants to go back home. 不仅我,玛丽也想回家。2.表示转折或对比关系的并列连词
eg.It was very cold, but those farmers were working hard on the farm. 天气非常寒冷,但是那些农民还在农场辛勤工作。
I like tea while she likes coffee. 我喜欢茶,而她喜欢咖啡。
It's raining outside. However, I think we should go out. 天在下雨,但是,我认为我们应该出去。
He studied very hard, yet he failed the exam. 他学习很努力,可是考试仍未及格。3.表示因果关系的并列连词
eg. Ricky caught a bad cold, so he had to stay at home. 瑞奇得了重感冒,因此他必须待在家。
Jim must be at home, for the light in his room is on. 吉姆肯定在家里,因为他房间里的灯亮着。4.表示选择关系的并列连词
eg. What would you like to drink, coffee or Coke? 你想喝什么,咖啡还是可乐?
Keep away from the fire, or you will get burnt. 离火远点,否则你会烧伤的。
Either you or I am wrong. 不是你,就是我错了。
He is not a singer but a writer. 他不是歌手而是作家。1.引导宾语从句的从属连词有that, if, whether
(1)that用来连接宾语从句的陈述句,无词义,可省略。eg.
I believe (that) success calls for hard work. 我相信成功需要付出艰辛的劳动。
(2)if/whether用来引导宾语从句,表示“是否”,不可省略,从句可用将来时态 。eg.
Do you know if/whether the museum is open on Sunday? 你知道博物馆星期天是否开门吗?
I asked her if/whether she could lend me a hand. 我问她是否能帮我一下。 从属连词2.引导状语从句的从属连词
(1)引导时间状语从句的从属连词,其用法见下表:
eg. It was raining when she arrived at the station. 当她到达车站时,正在下雨。
Don't make any noise while others are reading. 别人读书时不要制造噪音。
He didn't appear until the meeting had begun. 直到会议开始他才露面。
I'll visit you as soon as I come back. 我一回来就去拜访你。(2)引导原因状语从句的从属连词,其用法见下表:
eg. —Why were you late for class today? 今天你为什么上课迟到了?
—Because I got up too late and didn't catch the early bus. 因为我起床太晚了,没有坐上早班车。
Since he says so, it must be true. 既然他这么说,那一定是真的。
Mother began to worry about my brother as it was getting dark. 由于天越来越黑,妈妈开始为哥哥担心。
(3)引导结果状语从句的从属连词,其用法如下:
①“so…that…”中,so后侧重强调形容词或副词,意为“如此……以至于……”。eg.
She is so tired that she can't go any further. 她太累了,不能再走了。
②“such…that…”中,such后侧重强调名词,意为“如此……以至于……”。eg.
It's such a fine day that many people go to the park for fun. 天气这么好,许多人都到公园里去玩。
注意:so…that…结构常与too…to…结构互换。eg.
My brother is so young that he can't go to school.=My brother is too young to go to school. 我弟弟太小了,还不能去上学。(4)引导目的状语从句的从属连词so that/in order that,表示“以便于”。eg.
They hurried so that/in order that they could get there on time. 他们加快了速度,为的是能够按时到达。
(5)引导让步状语从句的从属连词,其用法见下表:
eg.Although it rained hard, he still went out. 尽管雨下得很大,他还是出去了。
Even though I have enough time, I don't want to go there with him. 即使我有足够的时间,我也不想跟他去那。
(6)引导比较状语从句的从属连词,其用法见下表:
eg.China has a larger population than India(does). 中国的人口比印度的多。
This film is as interesting as that one. 这部电影和那部电影一样有趣。
Some people think that planes now are not so/as safe as trains. 有些人认为现在乘飞机没有乘火车安全。
(7)引导条件状语从句的从属连词,其用法见下表:
eg.If he has time tomorrow, he will come to the meeting. 明天有时间的话,他会来参加会议的。
He won't finish the work unless he works hard. 如果他不努力,就不能完成这项工作。谢谢观看!