Question

i don't know if his uncle will come

I dont't know if his uncle .I rhink he if it doesn't rain.
a .will come ; comes b .will come ; will come c.comes ; comes d comes; will come 选什么 求详细的意思和理由附加语法!

Answer 1

b
I don't know if his uncle (will come).这是宾语从句,主句一般时,从句将来时
I think he will come if it doesn't rain.这是宾语从句里套条件状语才从句,适用：主将从现原则.