1、宾语从句三要素(只能是陈述句，疑问句)引导词（连接词）语 序时 态引导词:由从属连词that引导的宾语从句由从属连词 whether, if 引导的宾语从句由连接代词 Who,whom,whose,which,what引导的宾语从句由连接副词 where,how,why,when引导的宾语从句由从属连词that引导的宾语从句that 在句中无词汇意义，在从句中不能充当成分，在口语当中往往省略I hear (that) he will be back in an hourHe said (that) he missed us very muchThe teacher told us that t
2、he earth moves around the sun由从属连词whether, if 引导的宾语从句if/ whether “是否”，说明对陈述的事物不明确或不清楚。常用在ask, wonder, can(could) you tell me 等后。I want to know if (whether) he will go to the park with us Ask him whether (if) he can comeI wonder whether it is going to rain or notCould you tell me whether(if) Mr Li li
3、ves here只能用whether 不能用if 在介词后面Im thinking of whether we should go fishing.We are worried about whether it will rain tomorrow.在动词不定式前：They asked me whether to go skating当与or not连用，或提出两种选择时I dont know whether hes free or not.Mary asked whether I was doing my homework or not.Tell me whether youd like t
4、o go shopping or tidy the room.宾语从句提前时：Whether this is true or not, I cant say由连接代词 Who,whom,whose,which,what 和连接副词 where,how,why,when引导的宾从(代词或副词连接主句和从句，并在从句中担任句子成分，具有一定的意义，不可省略)He asked who could answer the questionDo you know whom they are waiting forHe asked whose bike was the best in the classDo you know when well have a meetingPlease tell me where he isCan you tell me how i can get go the stationCould you tell me why the train is late （注：专业文档是经验性极强的领域，无法思考和涵盖全面，素材和资料部分来自网络，供参考。可复制、编制，期待你的好评与关注）
浙ICP备2021020529号-1 | 浙B2-20240490 
