make sure of和make sure用法上的区别

make sure of和make sure 都有“确信”的意思，但它们的用法不同。
1、make sure of +名词/ 代词/ 动名词。
如：
1).--I heard that Jim would come back next month.
我听说吉姆下个月回来。
-- Really ?Do you make sure of it.
真的？你确信吗？
2).Make sure of his coming before you set off.
出发之前要确定他是否来。
2、make sure +to do sth / that 从句。
如：
1). Make sure to come on time tomorrow.
明天务必按时到。
2). I make sure (that) he will come.
我确信他会来。

make sure后可加That引导从句；

make sure of后面只能加短语或词组。

be sure和 make sure的区别

1．be sure＋of／about+动名词或名词；

2．be sure+不定式,3．be sure+宾语从句
make sure表示“弄确实；核实；查证”.

make sure常用于祈使句,后面常接that宾语从句或of介词短语.

make sure是指弄清楚 
be sure是指对...有把握

be sure表达肯定的意思，如I am sure he is good at english, 说我确定他英语很行
make sure表达的意思则是不确定，而需要弄清楚，如make sure his Englsih is good.去弄清楚他的英语是不是真的很行。

be sure
确信,肯定
接be sure of(about)/ to do/that
I can't be sure.
make sure that/of 查明; 设法确保, 确定
You must make sure of the time and place.
Make sure at least two people can attend.。

参考资料

作业帮：https://www.zybang.com/question/fb85ff45c6314e7cc7e7d6a583860d4e.html

前者后面加名词
后者后面加从句