英语中As用法大全

英语As用法大全 1、作介词 1. He spoke as a teacher. 他作为老师发言&他以老师的身份发言（表“作为”） 2. He spoke like a teacher. 他讲话很像是老师 3. 表示“当某人是(某身份)时。例如： As a child, she was sent to three different countries. 她儿时去过3个不同的国家。 4.表示“因某人是(某身份)”，例如： As a gardener, hell take care of all flowers.因作为1个园丁，他将会照顾所有的花朵。 5.表示“作为，当作”，例如： I found a job as a teacher. 我找了1份教师的工作。(take sb. as/treat sb. as...) 6.be famous as=be known as表“以..身份而著名”，注意与be famous for=be known for表“因..而闻名“的区别 He is known as a successful lawyer. Qingdao is known for its beautiful summer. 2、用于固定词组 1.as/so long as表“只要” As long as we dont lose heart,well find a way to overe the difficulty.只要我们不灰心，我们就能找到克服困难的办法。 Ill never forget that as long as I am living.这事我至死也不会忘记。 备注：Keep it as long as you like.你能把它保留多久，就保留多久。（还可作“...之久“） 2.so/as far as表“据…, 就… ” As far as I know, he will be away for three months.据我所知, 他将离开3个月。 3.so as to do=in order to do表“为了”但so as to do只能放句中 They started early so as to catch the first bus.他们很早就出发了，以便能赶不上头班车。 4.so..as to do表"如此..以至于“相当于so