you need to speak english here。 这句话什么意思 为是么要用to
need do sth什么意思 need to do sth 什么意思
追答表示should do something or has to do something应该做或不得不做某事
追问need do sth什么意思 need to do sth 什么意思
追答need to do sth 表示should do something or has to do something应该做或不得不做某事
用作情态动词时一般不单独说need do something。但可以在疑问句或表示疑问的从句中用,如
I asked him whether he need go.也有少数情况下可以在肯定句中用
I‘ll help you any time,you only need ask.(和only连用时)。更多情况下need当作情态动词时是用在否定句和疑问句中,如
Need I tell Tom?
Nobody need be afraid of catching the disease.