3、接代词who,whom,whose,what,which,连接副词when,where,why,how, 它们起连接作用,作句子成分,各有自己的意义。eg.Theteacheraskedthenewstudents which classhewasin. Iwonder where hegotsomuchmoney.【注意】1、由连接代、副词引导的宾语从句可以和“疑问词+不定式”结构转化。eg.Idon’tknowhowIshoulddowiththepresents. è Idon’tknowhowtodowiththepresents.
5、hesaid,“Iwillleaveamessageonthedesk.” à Shesaidshewouldleaveamessageonthedesk.一般疑问句和特殊疑问句变为宾语从句时,也要注意人称和时态的变化,后面接陈述语序。Eg.“Wherearethetickets?”Iaskedhim. à Iaskedhimwheretheticketsare. 三、 宾语从句的时态呼应:宾语从句中谓语动词的时态,常常受到主句谓语时态的制约,此为时态呼应。如果主句谓语是一般现在时或将来时,从句谓语的时态不受限制;如果主句谓语的