to get原因：make sure 后可以用1）賓語從句2)of/about...3)what/how/when/...to do sthmake sure .to do sth務(wù)必 ; 一定做某事如：So when an apology or a thank you is due,make sure to do so ,but be careful t...那個(gè)what/how/when是什么意思是后邊可以加從句··你的句子是加動(dòng)詞的直接用to do 即make sure .to do sth務(wù)必 ; 一定做某事每個(gè)能不能舉個(gè)例子~、、You should make sure when the train will leave . （從句都是一個(gè)用法） 你應(yīng)該查明那班火車將在何時(shí)開出。加動(dòng)詞就是to do 已經(jīng)給你例子·make sure ofPlease make sure of the time. 請(qǐng)把時(shí)間打聽準(zhǔn)確。make sure that Make sure that you put down every word she says.切實(shí)要記下她說的每一個(gè)字。希望幫到你