连词as,if,because,though。各自的用法

连词as,if,because,though。各自的用法

作"当……的时候",引导时间状语从句。注意与when、 while的用法区别。 ① when作"当……的时候"解,可以指较短的(一点)时间,也可指一段时间。如: When he was at college, he could speak several foreign languages. When the clock struck twelve, all the lights in the street went out. ② while常表示一段较长的时间或一个过程,强调主句谓语动词与从句谓语动词同时发生。如: Work while you work. Play while you play. ③ 但属下列情形时,只用as, 而不用when或while。 A) 用于表示同一个人的两种动作交替进行,指"一边……,一边……"。如: The girl dances as she sings on the stage. He looked behind from time to time as he went forward. B)表示两个同步发展的动作或行为,译为"随着……"。如: As time went on / by, she became more and more worried. As children get older, they become more and more interested in the things around them. C)表示两个短促行为或事件几乎同时发生。如: I thought of it just as you opened your mouth. Just as the flying worm hit her face, she gave a loud cry. D) 后接名词表示某一年龄段时,用as。如: As a young man, he was active in sports. 2. as=since, 作"既然"、"由于"解,引导原因状语从句,常用来表示已为人们所知或显而易见的原因或理由。如: As / Since you're not feeling well, you may stay at home. As he wasn't ready in time, we went without him. 3. as=in the way that, 作"像"、"按照……的方式"解,引导方式状语从句。如: He speaks English as Americans do. Remember, you must do everything as I do. 4. 用于as...as...或not so/ as...as...中,前一个as是副词,后一个as是连词,引导比较状语从句。如: They helped the old man as often as possible. I don't speak English so/ as well as he does. 5. 作"虽然"、"尽管"解,引导让步状语从句。常用倒装语序,即adj. /adv. / n.+ as +主语+谓语+主句。如: Tired as they were, they walked on. Child as he is, he knows a lot. (child前不用冠词)

很高兴为你做权威，专业，深入，全面，详细解答 though英 [ðəʊ] 美 [ðoʊ] conj. 虽然，尽管；即使；纵然 adv. 可是，但是；不过；然而；话虽这样说 【1】作连词使用，用来引导让步状语从句， 意思，虽然，尽管；即使，纵然 还可以使用倒状结构 虽然; 尽管; 即使 （1）though he's fool, i like him nonetheless. 虽然他很笨, 我仍然喜欢他。 （2）it's quite pleasant today, though the wind is rather cool. 尽管风有点凉, 今天天气还是很不错的。 （3）i enjoy it though it is hard work. 尽管这是一件辛苦的工作，但是我很乐意. （4）hardworking though he was, he had never had enough money to pay the bills. 尽管他工作很辛苦，但是却一直入不缚出 （5）they're very different, though they did seem to get on well when they met. 他们大不相同, 可是见面后好像还确实相处得不错. （6）he'll probably say no, though it's worth asking. 他很可能会拒绝, 不过问一下有益无害. （7）though he may fail,he will try. 纵然他可能失败，他还是要试试。 固定短语搭配：不是吹牛;我不是自夸： （though i say so myself or even though i say it myself ） i'm a good cook, though i say it myself. 我并非自夸，我的厨艺的确高超。 even though i do say it myself we've probably got the best little restaurant in town. 不是我吹牛，我们的小饭店可能是全城最好的。 【2】作为副词使用（尤用于句末补充说明，使语气减弱）不过，可是，然而 our team lost. it was a good game though. 我们队输了,可是也不失为一场很好的比赛. because of 英 [biˈkɔz ɔv] 美 [bɪˈkɔz ʌv] 因为, 由于 【1】because of +名词/代词，作原因状语 i came back because of the rain. 因为下雨, 所以我回来了。 it was because of the job that he had taken the flat. 他因为工作的原因租了那套公寓。 she is here because of me. 她是因为我而到这里来的 due to, owing to, because of, thanks to 这些词组均表示“由于”之意。 due to： 用于较庄重的书面语中，侧重"起因于"，在句中多作表语，有时作状语。 owing to： 可以和due to换用，但在句中多作状语，也可作表语。 because of： 着重某种原因的理由，在句中通常作状语。 thanks to： 突出一种感激之情，含"多亏"意味。 in spite of 英 [in spait ɔv] 美 [ɪn spaɪt ʌv] 不管 in spite of +名词/代词，作让步状语 i went out in spite of the rain. 尽管下雨我仍然外出。 in spite of her hostility, she was attracted to him. 、 尽管自己心存敌意，她还是为他所吸引。 despite英 [dɪˈspaɪt] 美 [dɪˈspaɪt] prep. 不管；尽管（自己）不愿意；不在乎；虽有 n. 侮辱；憎恨；怨恨；轻蔑的拒绝或不承认 尽管； 不管； 任凭； 尽管如此 .不管, 尽管, 任凭 despite the fact that she is short, she is an excellent basketball player. 尽管她个子矮, 却是个出色的篮球运动员。 despite a thorough investigation, no trace of dr southwell has been found. 尽管进行了彻底的调查，还是没有发现索思韦尔博士的任何踪迹。 the national health service has visibly deteriorated, despite increased spending. 尽管支出在增加，但国民医疗保健服务的质量却明显下降了。 he was obviously distressed despite being unconscious. 虽然他自己未发觉，但他显然很忧心。 she will stand by husband, despite reports that he sent another woman love notes. 尽管有报道说她丈夫曾给另一个女人写求爱信，但她还是会支持他。

作"当……的时候",引导时间状语从句。注意与when、 while的用法区别。 ① when作"当……的时候"解,可以指较短的(一点)时间,也可指一段时间。如: When he was at college, he could speak several foreign languages. When the clock struck twelve, all the lights in the street went out. ② while常表示一段较长的时间或一个过程,强调主句谓语动词与从句谓语动词同时发生。如: Work while you work. Play while you play. ③ 但属下列情形时,只用as, 而不用when或while。 A) 用于表示同一个人的两种动作交替进行,指"一边……,一边……"。如: The girl dances as she sings on the stage. He looked behind from time to time as he went forward. B)表示两个同步发展的动作或行为,译为"随着……"。如: As time went on / by, she became more and more worried. As children get older, they become more and more interested in the things around them. C)表示两个短促行为或事件几乎同时发生。如: I thought of it just as you opened your mouth. Just as the flying worm hit her face, she gave a loud cry. D) 后接名词表示某一年龄段时,用as。如: As a young man, he was active in sports. 2. as=since, 作"既然"、"由于"解,引导原因状语从句,常用来表示已为人们所知或显而易见的原因或理由。如: As / Since you're not feeling well, you may stay at home. As he wasn't ready in time, we went without him. 3. as=in the way that, 作"像"、"按照……的方式"解,引导方式状语从句。如: He speaks English as Americans do. Remember, you must do everything as I do. 4. 用于as...as...或not so/ as...as...中,前一个as是副词,后一个as是连词,引导比较状语从句。如: They helped the old man as often as possible. I don't speak English so/ as well as he does. 5. 作"虽然"、"尽管"解,引导让步状语从句。常用倒装语序,即adj. /adv. / n.+ as +主语+谓语+主句。如: Tired as they were, they walked on. Child as he is, he knows a lot. (child前不用冠词)

如以上回答内容为低俗、色情、不良、暴力、侵权、涉及违法等信息，可以点下面链接进行举报！

点此我要举报以上问答信息