初中英语语法知识总结:从句答:1) 常见连词有 after, as, before, once, since, till, (not)until, when, whenever(no matter when), while, as long as, as soon as etc.2) no sooner…than, hardly(scarcely, barely)…when: 刚做…就….3) 还有 immediately, directly, instantly, the moment, the minute, the ...