Ⅰ. be sure 指某人對某事或?qū)δ撤N情況有把握，常譯為：“確信”;make sure 指“務(wù)必、務(wù)請、確�！睂⒛呈屡宄�。如：
�、� I am sure that he is honest. 我相信他是誠實(shí)的。
�、� I have made sure that he is honest. 我已了解清楚他是誠實(shí)的。
Ⅱ. 二者后面均可接of 或about 引出的短語。如：
�、� I am sure of success = I am sure that I will succeed. 我深信會成功。
�、� Will you make sure of his return? = Will you make sure that he returned? 請你查明他是否真的回來了。好嗎?
�、�. make sure 后面的that 從句一般不用或很少用將來時;
be sure 后面的that從句則可用將來時。如：
① Make sure that you come here before five. 你一定要在5點(diǎn)前來。
�、� I am sure that he will come. 我相信他一定會來的。
Ⅳ. 兩者后面接不定式，均表示“一定要做某事”，但make sure 通常只用于祈使句;而be sure 則不受限制。如：
�、� to come to party on time. 一定要準(zhǔn)時來參加晚會。
② He is sure to call you up. 他準(zhǔn)會給你打電話的。
，我們將會及時處理。
