make sure,be sure of ,be sure to do,for sure的区别

make sure 确认、核实、查证,通常用于祈使句,后面加从句
be sure of +名词、动名词,表示“确信...”“对...有把握”,表示主语对抽象事物很确定
而be sure to do 表示说话人对主语作出判断,认为主语一定会怎样、必然会怎样
for sure 是一个副词短语,比如 I know for sure 我心里明白,后面也可以加句子