高中语法状语从句,语法讲解.ppt

状语从句导与练 ;1.____the days went on, the weather got worse. A.With B.When C.While D.As 2.Why do you want a new job____ you have got such a good one already. A.when B.which C.that D.where 3.We were playing in the garden ___ it began to rain. A.when B.after C.while D.as 4.___ I accept that he is not perfect, I do actually like the person. A.While B.Since C.Before D.Unless; 一.As /when/While I was walking down the street I noticed a police car in front of the building. 1)as ---但它着重强调主句与从句的动作或事情同时 或几乎同时发生。 The runners started as the gun went off. She sang as she worked. As spring warms the earth, all trees turn green.;2)when (at or during the time that )既可以表示 在某一点的时候，又可表示在某一段时间内， 主句与从句的动作或事情可以同时发生也可 以先后发生。 It was raining when we arrived.(指时间点) ;while意思是“当……的时候”或“在某一段时间里”。从句中的动词一般要用延续性动词。 Strike while the iron is hot. 这里的while意思是“趁……”);;;--How long do you suppose it is ____ he arrived here? --No more than half a week. A.when B.before C.after D.since;四.一些特殊的名词词组或副词引导的时间状语从句 1.hardly / scarcely … when, no sooner than, 表示“一……就” Hardly had we got into the country when it began to rain.;2.each time, every time, by the time the first time,next time Next time you come, please bring your note-book. Each time he came to my city, he would call on me.注意：表示未来情况，主句用将来时，从句用现在时。;..③directly, immediately,instantly ,presently the moment, the minute ,the second,the instant that… 一……就He made for the door directly he heard the knock.;五、让步状语从句（1）although与though可以引导让步 状语从句，不能与but连用，但可以与yet连用。 Although they are poor,(yet)they are warm-hearted. ;;;---What made him so upset? ---______ his bike. A.Losing B.Because he lost C.Because of losing D.Lost ;下列情况下只能使用because:①在回答why的问句时；②在用于强调句型时；③被not所否定时。 (2)for它只能置于主句之后，for是并列连词。对前面主句的内容加以解释或推断时，since（既然）语气较弱，强调已知的事实。 It’s morning now, for the birds are singing.;(3）since/now that它们通常被置于主句之前，但有时却相反。意为“既然”Se