how many coaches can that locomotive pull 句子成分如何分析呢?that在这里是什么词性呢?谢啦～

how many coaches can that locomotive pull 句子成分如何分析呢?that在这里是什么词性呢?谢啦～ How many( )can you speak? How many balloons can you how many animals can you see.how.kites.can.many. how many deks can you how many word can you How many boys can you 快 How many languages can Jason speak? How many pencils can you see? how many books can you see How many trees can you see是什么意思 how many love can I give you? How many words can you find pears,many,see,can,how,you十万火急 how many ___(ballon)can you see? how many trees can you see 意思 how many trees can you see?