i am not sure if he-(will)--come 为什么要加will啊?不是主将从现

i am not sure if he-(will)--come 为什么要加will啊?不是主将从现 I am not sure( )he will come or not I am not sure _____ he will come here o I am not sure --he will come back . OK .I am sure he will come I am not sure if Tom ____ home.If he ___,I will call you. I am not sure wether he will come back soon?whether引导的是什么从句? 主将从现填空：You will he punished tomorrow if you ____(not finish) 英语语法：I'm not sure if he will come.是什么从句? He will come tomorrow.I am sure 合成一句 关于主将从现的选择题( )1.I’m not sure if he ______ tomorrow,but if he_ If you won't go,neither will I 对吗,不是主将从现吗