英语语法 I’m sure(that)和I’m not sure if/whether...

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英语语法 I’m sure(that)和I’m not sure if/whether...
有急用请高手给出尽可能详细的语法讲析!
如果附有例句等详细内容可以加分主要是I’m not sure if/whether的用法和例句

I'm sure that you're very handsome!中文释义为“我确定你非常英俊”I'm sure意为“我确定...”或为“我坚信”.that引导后面的从句.
I’m not sure意思相反.
sure 是形容词,意为“肯定的,当然的”.常用来回答一般疑问句,等于 Yes或Certainly.sure的用法：
（1）be sure＋不定式.常用于祈使句,表示要求,意为“务必、请一定”.指外界的看法.例如：
I think he's coming,but I'm not quite sure.
Be sure to telephone me and give me all the news.
（2）be sure＋of或about.意为“相信,对……有把握”,后接名词、代词或动词的-ing形式.常用来表示“人对某事的看法”,指主观上的看法.例如：
Are you sure of that meeting?He is sure about this answer.
（3）be sure＋从句.表示“某人对……有把握”.例如：
I'm sure that he is coming to help me.
The teacher is sure that these books are interesting.
（4）make sure意为“务必、确信”,其后也可接of或about或动词不定式或that从句.例如：
I made sure (that) he was badly ill.
Will you make sure of his return?
Make sure to come to the party on time.

英语语法 I’m sure(that)和I’m not sure if/whether... I'm not sure I'm not sure ( ). I'm not sure if it___tomorrow. I'm not sure ______ it's a good idea or not.A.whether B.that I'm not sure whether he__(decide) where to go 英语语法：I'm not sure if he will come.是什么从句? I'm not sure()( 至今) I'm not sure if she____.If she ______tomorrow,________. I'm not sure if she____tomorrow.If she ___tomorrow. Of that I'm sure I'm not sure if it will rain tonight.