He wil come.I will let you know?(用if连成一句话)

问题描述:

He wil come.I will let you know?(用if连成一句话)

If he come,I will let you know

I will let you know if he comes

If he comes,i will let you know.这是个条件状语从句,从句一般现在时,主句一般将来时.我是一名大学英语教师.

if he comes,will i let you know?
if he comes,i will let you know.