She is sure to come.
Be sure to wear the correct footwear to prevent injuries to your feet.
Before leaving the city, be sure to make time for a shopping trip
Be sure to select firm, unblemished fruit.
If you make a threat be sure to carry it out if he errs again.
Be sure to make copies of all the papers.
Be sure to make this point clear to everyone.
Be sure to do the sowing in good time.
Be sure to write and give me all the news.
Be sure to make him believe it.
When two tigers fight, one is sure to lose.
It seems like a good idea on the surface but there are sure to be problems.
Be sure to give your family my regards.
It’s sure to rain.
This is sure to be an item on the agenda next week
Be sure to store them carefully as they bruise easily.
Be sure to read about how mozzarella is made, on page 65
This year’s harvest is sure to be good.
As things stand at present, he seems certain to win.
Short of a miracle, we’re certain to lose.
They are certain to agree.
Be certain to eat slowly and chew your food extremely well
If they followed the road, they would be certain to reach a village
Mr King seems certain to be pressed for further details
They say he’s certain to get a nomination for best supporting actor
The United States is certain to reject the proposal as a non-starter
I’m bound to say that it seems to me this is certain to lead to violence.
The President and his supporters are almost certain to read this vote as a mandate for continued economic reform
In a large city you’re almost certain to find a physician with whom you are compatible and feel comfortable.
She felt sure the letter had some hidden meaning.
His opinion is certain to carry weight.
(2) 后接“of+名词(或动名词)”或后接 that /whether 从句等，表示句子主语自己经过思考所得的结论、信念、观点等，意为“确信”、“自信”、“肯定”、“确定”。如：
He is certain [sure] of success. 他确信会成功。
He is certain [sure] of winning. / He is sure [certain] that he will win. 他自信会赢。
I’m not certain [sure] (whether) I’ll be able to come. 我不敢肯定是否能来。
I was sure she knew the answer but for some reason she hung back.
He was sure that the man was innocent of any crime
He’d a good memory for faces, and he was sure he hadn’t seen her before
From the cheering of the crowd, I was sure we had succeeded.
Putting what I saw together, I was sure she was blind.
He was sure to cure her eyes, but she must pay him a large amount of money.
I was certain that love was quite enough to conquer our differences
He was certain Sid would be eaten alive by the hardened criminals in the jail.
I was certain I was on the brink of poverty, going to the poorhouse.
He philosophized, he admitted, not because he was certain of establishing the truth, but because it gave him pleasure.
But the likelihood is that people would be willing to pay if they were certain that their money was going to a good cause
注：当be sure [certain]为肯定式或疑问式时，后接that从句；当be sure [certain]为否定式时，一般后接whether [if]从句。如：
I’m not sure [certain] whether he still works there. 我不能肯定他是否还在那里工作。
I wasn’t sure [certain] whether he would agree. 我不太肯定他是否会同意。
He wasn’t sure [certain] whether he would be able to get back in time. 他不能肯定他是否能准时回来。
I’m not sure I’ll ever trust people again
I’m not sure she believes me. She probably just thinks I’ve gone off the deep end.
I’m not sure whether I should tell you this.