主语从句,Whether they will support us was still a problem.为什么不在us后面加or not?

whether引导的主语从句5句 用whether引导,造五个主语从句 主语从句,Whether they will support us was still a problem.为什么不在us后面加or not? 主语从句什么时候用that,whether,who,what,whatever 主语从句用whether的情况Whether .or not is.还是不加那个 or not? What they want to know is whether he is capable of holding that important post.网上说这是由从属连词whether引导的表语从句,但我可不可以认为是WHAT引导的主语从句?这一个句子里 可以既有表语从句又有主语从 主语从句举个例子,if/whether 和what 或who中那个是主语,那个是从句 Whether引导主语从句Whether引导的主语从句,在什么情况下可以与If互换,什么情况下可以? whether he comes himself or send a substitute is immaterial to meWhether he comes himself or send a substitute is immaterial to me.这是宾语从句还是主语从句.还有It is not known yet whether they will come today.是宾语从句还是定语 whether he comes himself or send a substitute is material to me是什么从句,主语从句还是宾语从句? 主语从句 真正的主语是哪个 It is certain that he will wi主语从句 真正的主语是哪个 It is certain that he will win the match 引导主语从句为什么只能用whether,而不能用if呢?RT whether he is coming is not known.是主语从句吗?拜托各位了 3Q No one knew whether it would happen.这是一个什么从句?主语从句还是宾语从句还是表语从句还是同谓语从句? 主语从句 whether it is true or not ,Idon't care.whether it is true or not ,Idon't care.whether为什么做宾语,这是主语从句吗 It is known yet whether they will come today形式主语有几种用法 引导主语、表语或同位语从句时,有whether而不用if.中的引导主语、表语或同位语从句怎么理解?