种类 |
连接词 |
注意点 |
时间状语 |
when, whenever, while, as, before, after, until, till, by the time, as soon as, hardly…when, no sooner…than, the moment, the minute, immediately, directly, instantly |
主句表示将来意义时,从句须用一般现在时;while引导的从句中动词一般是延续性的;until用在肯定句中主句动词是延续性的,而否定句中主句动词为短暂性的。 |
地点状语 |
where, wherever |
|
原因状语 |
because, as, since, now that |
because语气较强,since较弱,表示大家都明了的原因,as又次之。 |
条件状语 |
if, unless, once, in case, as long as, on condition that |
从句中动词时态不可用将来时,常用一般时代替 |
目的状语 |
so that, in order that, for fear that |
so that和in order that后常接may, should, could, would等情态动词 |
结果状语 |
so…that, such…that |
|
比较状语 |
than, as…as, not so/as…as, the more…the more |
|
方式状语 |
as if, as though, as |
as if 和as though引导的从句一般用虚拟语气。 |
让步状语 |
though, although, even if, even though, as, no matter what, whatever, no matter who, whoever, no matter which, whichever, no matter how, however, no matter when, whenever |
as在让步状语从句中常用倒装形式;although和though用正常语序,可和yet连用,但不可和but连用 |