Ⅰ. be sure 指某人對(duì)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(qǐng)、確?！睂⒛呈屡宄Ｈ纾?BR> ① I am sure that he is honest. 我相信他是誠(chéng)實(shí)的。
② I have made sure that he is honest. 我已了解清楚他是誠(chéng)實(shí)的。
Ⅱ. 二者后面均可接of 或about 引出的短語(yǔ)。如：
① I am sure of success = I am sure that I will succeed. 我深信會(huì)成功。
② Will you make sure of his return? = Will you make sure that he returned? 請(qǐng)你查明他是否真的回來(lái)了。好嗎?
Ⅲ. make sure 后面的that 從句一般不用或很少用將來(lái)時(shí);
be sure 后面的that從句則可用將來(lái)時(shí)。如：
① Make sure that you come here before five. 你一定要在5點(diǎn)前來(lái)。
② I am sure that he will come. 我相信他一定會(huì)來(lái)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：
① to come to party on time. 一定要準(zhǔn)時(shí)來(lái)參加晚會(huì)。
② He is sure to call you up. 他準(zhǔn)會(huì)給你打電話的。
② I have made sure that he is honest. 我已了解清楚他是誠(chéng)實(shí)的。
Ⅱ. 二者后面均可接of 或about 引出的短語(yǔ)。如：
① I am sure of success = I am sure that I will succeed. 我深信會(huì)成功。
② Will you make sure of his return? = Will you make sure that he returned? 請(qǐng)你查明他是否真的回來(lái)了。好嗎?
Ⅲ. make sure 后面的that 從句一般不用或很少用將來(lái)時(shí);
be sure 后面的that從句則可用將來(lái)時(shí)。如：
① Make sure that you come here before five. 你一定要在5點(diǎn)前來(lái)。
② I am sure that he will come. 我相信他一定會(huì)來(lái)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：
① to come to party on time. 一定要準(zhǔn)時(shí)來(lái)參加晚會(huì)。
② He is sure to call you up. 他準(zhǔn)會(huì)給你打電話的。