关于一般将来时的用法He is going to visit there.It is going rain.为什么第一句

关于一般将来时的用法He is going to visit there.It is going rain.为什么第一句 Is it going to rain?的答句 there is going to be rain为什么不是rain afternoon,it,going,rain,this,is,to,连词成句 连词成句.going,is,it,to,tomorrow,rain ( ) again,tomorrow,rain,is going to,It连词成句 There is going to be rain. It___that it is going to rain tomorrow It (is going to/will) rain. It is going to _____ (rain). ——it is going to rain _____(恐怕)it is going to rain