英语 疑问词加不定式There are so many kinds of tape-recorders on sale that I can't make up my mind which to buywhich to buy做从句的什么成分,定语还是宾语补足?为什么?

英语 疑问词加不定式There are so many kinds of tape-recorders on sale that I can't make up my mind which to buywhich to buy做从句的什么成分,定语还是宾语补足?为什么? 什么叫动词跟疑问词加不定式? 特殊疑问词加不定式(请多举例) 疑问词后面为什么能加不定式? 疑问词加不定式做什么语? 疑问词后面一定要加不定式吗 英语 咋用‘疑问词+不定式’句型造句 疑问词加动词不定式到底可以干什么啊 are there做疑问词用they还是there回答 为啥要用不定式加疑问词我英语烂,麻烦各位说明白点例I do not know what to do ,为啥非要用to do ( ) are there in English填什么特殊疑问词? 关于 特殊疑问词+is/are+there+(地点状语+时间状语) 疑问词加不定式有无否定用法?EG：Why not to take a shower? 疑问词加不定式构成的那个结构叫什么?具体怎么用? 英语疑问词 不是说疑问句是疑问词加一般疑问句吗?那How many people are there in your family?为什么不是这样 不是说疑问句是疑问词加一般疑问句吗?那How many people are there in your family?为什么不是这样 特殊疑问句是特殊疑问词加一般疑问句吧,那就可以咯?how many glasses of water are there on the table？可以改为how many are there glasses of water on the table？