be sure的完整用法~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

be sure的用法~

1．Be sure +不定式用于祈使句,作“务必、一定”讲.
Be sure to come to my house.
Be sure to finish your homework as soon as possible.
2.be sure+从句,表“确信、对…….有把握”
I am sure he is coming.= He is sure to come.
3.make sure +从句 = make sure of 弄清、查清楚
Make sure that he has handed his workbook.
Make sure of it before you start out.

sure的用法：
1、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。
2、“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”。
3、sure还可表示“无可置疑,千真万确”“不偏离的,不动摇的”。
4、sure用作定语时,表示“经证明可靠的，可信的”。
5、sure没有比较级与最高级形式。
读音：英 [ʃʊə(r)] 美 [ʃʊr] 　
例句：　
1、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。
2、It sure was a cold night.
的确是个寒冷的夜晚。

扩展资料：
反义词
1、unsure　
读音：英 [ˌʌn'ʃʊə(r)] 　 美 [ˌʌn'ʃʊr] 　 　
adj. 不肯定的；不确定的；没有自信的
例句：Consult your dictionary when you are unsure of your spelling.
当你不敢肯定拼写时,就查阅一下词典。
2、doubtful　
读音：英 ['daʊtfl] 美 ['daʊtfl] 　 　
adj. 可疑的；怀疑的；不确定的
例句：I am doubtful about the propriety of granting such a request.
我怀疑答应这项要求是否合适。

sure
[ʃJr; ʃuə, ʃɒ:]
形容词
(sur.er; -est)
1 (无比较级、最高级)确信的,深信的,有把握的
【字源】sure 一字源自拉丁文,原义为“无忧虑的” secure (安全的) 也是同字源的字. 由“无忧虑的”逐渐转变为“确信的”,“确实的”,“安全的”等意思【同义字】
sure 依据主观上、直觉上的判断
certain 根据客观事实、证据的判断
a. <人>确定的,确信的,有把握的
I think he will agree, but I am not ~.
我想他会同意,但我没有把握
"Are you ~ ?"- "I'm quite ~.".
“你确定吗?”“我十分确定”
b. <人>确信[…]的,[对…]有自信的[of, about]
He is ~ of his success.
他确信自己会成功
Are you quite ~ about the number?.
关于那数字你十分确定吗?
c. <人>确信<…事>
He is ~ that he will succeed.
他确信自己会成功
The general was ~ (that) he could defeat the enemy.
那位将军确信他能打败敌人
I'm ~ I don't know.
我确实不知道
d. [I'm ~; 与主要子句并列或当插入语用] (口语)我确信…
That man there is her brother, I'm ~.
我确信在那里的那个人是她的哥哥[弟弟]
e. 确定…
None of the doctors were ~ what the trouble was.
没有医生能断定那是什么病
I'm not ~ where to put the key.
我不能确定钥匙要放在何处
Are you quite ~ what it is?.
你能十分确定那是什么吗?
2 (无比较级、最高级)
a. 一定<会…>的,必定的
He is ~ to succeed.
他一定会成功
The weather is ~ to be wet.
天气一定转为多雨
Be ~ to close the windows.
一定要把窗子关好
b. 必可获得[…]的[of]
At that hotel you're ~ of a good dinner.
在那家饭店你一定可享受到美食
He is ~ of success.
他必可获得成功
(cf. 1 b)
3 确实的,安全的,稳妥的,可信赖的,靠得住的
a ~ messenger
确实可靠的使者
~ proof
确实的证据
→sure thing
There is only one ~ way to success.
可靠的成功之路只有一条
be sure and do
[用祈使语气](口语)务必要…
Be ~ and remember what I told you.
务必记住我告诉你的话
be[feel]sure of oneself
(1) 有自信心
I'm never ~ of myself among so many people.
在许多人当中,我对自己毫无信心
for sure
(1) 确定地,确实地,一定
I saw it for ~.
我确实看到它
We don't know for ~ that he has resigned.
我们并不确实知道他已辞职
(2) 确实的,必然的,当然的
That's for ~.
那是确定的; 那当然
make sure
(1) 确定,查明,弄清楚[…][of]
make ~ of a fact
查明一件事实
(2) 确定<…事>
I telephoned to make ~ that he was coming.
我打电话弄清楚他要来的事
(3) 弄清楚<是否…>
You'd better make ~ whether there's a performance that day [whether [if] he's coming or not].
你最好弄清楚那天是否有公演 [他是否要来]
(4) 预先保留[…][of]
Make ~ of two seats.
预先保留两人的座位
(5) 安排一定<要做…>
Make ~ (that) you get there ten minutes early.
你一定要早十分钟到达那里
(6) 一定 <要做到…>
Make ~ to turn off the light before you go to bed.
睡觉前一定要把灯关掉
to be sure
(1) 的确,确实
"French is difficult."- "To be ~ (it is).".
“法语很难”“的确”
(2) [后接 but,表示让步] 的确… (但…) ; 当然… (但…)
It's not new, to be ~, but it works all right.
它的确不是新的,但是性能很好
(3)(罕)哎呀!不得了!
Well I'm sure![
当感叹词用] 哎呀!不得了!
副词
(无比较级、最高级)(口语)
1 (美)的确,确实地,无疑地,当然
It ~ is hot.
天气的确很热
I ~ was right. [.
预测实现时等] 我果然鸣了
"Japanese is difficult."- "It ~ is.".
“日语很难”“的确是”
2 好,当然
"Are you coming?"- "S~!".
“你会来吗?”“当然”
3 (美)不必客气 (as) sure as nails [fate,death,a gun] 的的确确,确确实实
sure enough (
口语)果然,一定,真正地
I thought he'd do that; and ~ enough, he did.
我想他会做那件事; 果然,他做了
名词
sure.ness

be sure of sth 对某事很确定
I am sure of his guilt.我确定他有罪。 I am sure of his coming. 我确定他会来。
be sure to do sth 一定会做某事
I am sure to close the window after school. 放学后我一定会关窗的。
I am sure to help you tomorrow.我明天一定会帮你。
be sure that 对某事很确定 后面加句子
I am sure that he will achieve his goal. 我确定他会实现目标的。
He is sure that his mother will come to see him this afternoon.他确信他妈妈今下午会来看他。

be sure of sth 对某事很确定
be sure to do sth 务必做某事
be sure that 对某事很确定 后面加宾语从句

后加that 从句

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