(1)“be sure +不定式”表示说话人判断“一定会、必然”。如：[文章版权 禁止转载:考试与评价 E=_`adB 6t$ LaeIFroG]
She is sure to succeed. 她一定会成功。[文章版权 禁止转载:考试与评价 ,I3m/dg~1'/A;!FroG]
(2)“be sure of /about +名词/代词/动名词”表示“确信……”、“对……有把握”。如：[文章版权 禁止转载:考试与评价 (ag}
~\'5xB"[WFL_mFroG]
You are sure of passing the exam if you work hard. 你用功的话，就一定会考及格。[文章版权 禁止转载:考试与评价 D8HRL1?=L 7Pj$FroG]
(3)“be sure +that 宾语从句”表示“确信某事一定会……”。主语须是人。如：[文章版权 禁止转载:考试与评价 9$~Y_ IgY]-ezYZZFroG]
I'm sure he won't be at the party because he's very busy. 我相信他不会参加聚会，因为他很忙。[文章版权 禁止转载:考试与评价 y^Vw.OTj3MT=rxYFroG]
(4)“be sure +其它宾语从句”时，常用否定式。如：[文章版权 禁止转载:考试与评价 F%Ej?gY}55oloRj%lFroG]
I'm not sure where he lives. 我不能肯定他住在哪里。[文章版权 禁止转载:考试与评价 |mMR-SPDnVR x_
)'FroG]
