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sure的意思
adj. 确信的，确实的，有把握的，无疑的，一定的
adv. 当然，确实地，无疑地
变形：比较级：surer; 最高级：surest;
sure用法
sure可以用作形容词
sure表示“无疑的，确信的，有把握的”,指主观上对某事相信无疑，不涉及有无客观根据。在句中作表语。
“be sure+不定式”往往表示推测的口气，主语不一定是人，表示“一定会…的”“必定会…的”。
sure还可表示“无可置疑，千真万确”“不偏离的，不动摇的”。
sure用作形容词的用法例句
I think you are not quite sure about it.我认为，你们对这一点并不能完全肯定。
I'm sure you'll want a go when you see it.我敢说你看到了就想试一下。
I can't be sure, but I believe it worths trying.我不能确定，但我确信这值得一试。
sure用法例句
1、But legal experts are not sure if such a charge can stick.
但法律专家们不能肯定这一指控是否成立。
2、Be sure you get your daily quota of calcium.
要确保每天的钙摄入量。
3、If something's a sure-fire hit then Radio One will play it.
如果哪首歌一定会火，那么第一频道肯定会播出。
1)Be sure of +抽象名词/doing sth ：主语是人，译为：主语有把握/确信…
He is sure of his success. = He is sure that he will succeed.
他确信他会成功
I’m sure of his honesty.
我肯定他是诚实的。
I’m sure of winning the game.
我有把握赢得这场比赛。
Be sure of + 反身代词 ：有自信心
She is not sure of herself .
她对自己没有太大把握。
2)be sure about +具体名词
主语对…有把握
I’m not sure about two things ——grammar and some of the idioms.
我对语法和部分习惯用语没有把握。
3)Be sure to do sth 主语可人可物、译为：说话人对句子主语的判断而不是主语对自身判断，译为：“主语一定、必然会…” He is sure to succeed.
他一定会成功。
It is sure to rain.
天一定会下雨。
Be sure to do 用在祈使句中不表判断而是提出要求，肯定祈使句中译为“务必…/一定要…”， Be sure to forget it . 否定祈使句中译为“千万别做某事…” Be sure not to do that thing again.
4)Be sure + that 从句：主句主语对宾语从句中人或事的判断 “…确信某人/某事一定会…” I’m sure that you will make great progress this time . 5) sure 用作副词时常用于口语中 sure = of course / certainly
1.接that从句及其从句的时态。make sure 如果是现在时，或者祈使句形式(原形)，that从句的时态应该使用现在时间范畴的时态。
They want to make sure the newcomers don't get a look-in.
他们不想让新人有露脸的机会。
Make sure you join the queue inside the bank.
在银行里一定要排队。
Make sure your pet won't pine while you're away.
要确保不在家时宠物不会想你。
2.make sure除了接从句外，还可以接不定式，但不能接动名词。
Make sure to meet them at the other end.
确保在另一边与他们会合。
Make sure to turn off the light before you leave.
临走前一定要熄灯。
If you saw a traffic accident, make sure to mark down the licence of the car.
如果你看到交通事故，务必记下汽车的牌照号码。
Make sure to give your brother the message about practice tomorrow.
你一定要告诉你弟弟明天练习的事。
短语的用法
26. one after another一个接一个
用法：one after another在多数情况下可与one by one互换。但one by one强调顺序，而one after another强调数量。
例句1：One after another good news camefrom the front, making people very excited.
一个接一个的好消息从前线传来，使得人们异常兴奋。
结构分析：One after another good news是主语(One after another和good是前置定语)，came是谓语，from the front是介词词组作地点状语， making people very excited是-ing式词组作状语(people是宾语，veryexcited是宾语补语)。
27. to be sure确切地说，的确
用法：to be sure是不定式结构，在句中作插入语，与此用法相同的还有to be frank和to be short等。
例句1：To be sure, today’s carproduction efficiency is much higher than it was 20 years ago.
的确，如今的汽车生产效率比20年前提高了很多。
结构分析：To be sure是状语， today’s car production efficiency是主语(today’s car production是三个前置定语)，is much higher是系表型谓语，than it was 20 years ago是than引导的比较状语(it是主语，was 20 years ago是系表型谓语)。
20200519作业：1.句子结构、时态等分析；2.将英文译成中文。
短语： persuade sb out of doing说服某人不去做
用法：persuade sb out of doing相当于persuade sb not to do, 与persuade sb to do意思相反。
例句1：The manager has www.shancaoxiang.com been trying to persuade me out of taking part in the project.