例如:If you want to succeed, you should work hard. 让步状语从句:常由although和though引导。例如:Although I am in favor of space travel, I think it should be done carefully a...
yet与and连用,构成and yet,但but却无此用法;在“Excuse me/I’m sorry/I hope you don’t mind…but”中,只用but,不用yet?因为在表示对照或对立时,but较为轻松自然;而yet却较为强烈,常出人意料;though作并列连词时,只能引导分句且其前须加逗号?例:I’ll try to come, ...
更多内容请点击：托福写作中常用的状语从句