知识讲解考点 1: 引导时间状语从句得从属连词w h e n ,as, whi le, after, be f ore, sinc e, once, until, t i ll, a s soon a s, every t i me/ eac h t i me, t he m o ment, the mi n ute, immediately, directly, i n st an t ly等
温馨提示:1、 be do i n g…w hen…,b e abo u t t o d o…wh e n…常表示“正在……突然……”或 “正要……这时……”,如:I was ab o u t t o fall a s leep when my sis ter came in、I w a s wal ki n g alon g th e st re e t , w h e n I met him、2、 w hile 引导得从句得谓语动词必须就是延续性得,并强调主句与从句得动作同时发生(或者相呼应),此外,whil e有时还可以表示对比
如:We are cle a ning the c la s sro o m wh i le th ey are pl a yin g t h e foot b all、3、The moment --- 一……就…… =a s soon as , i m mediat e ly, 如:---Di d yo u r e m e mb er to gi v e Mary the mo ne y yo u o wed her
---Yes, I ga v e h er the mom e nt I sa w her、No soo n er t h an --- 一……就……=ha r dly… whe n如:N o s oone r had h e a