lecake哪个好吃:什么时候使用should be?

特殊的虚拟语气词：should
1） It is demanded / necessary / a pity + that…结构中的主语从句的谓语动词要用should 加动词原形， should 可省略。
句型：
(1)suggested
It is (2)important that…+ (should) do
(3) a pity
(1)suggested, ordered, proposed, required, demanded, requested, insisted； + (should) do
(2)important, necessary, natural, strange
a pity, a shame, no wonder
(3)It is suggested that we (should) hold a meeting next week.
It is necessary that he (should) come to our meeting tomorrow.
2）在宾语从句中的应用
在表示命令、建议、要求等一类动词后面的从句中。
order, suggest, propose, require, demand, request, insist, command, insist + (should) do
I suggest that we (should) hold a meeting next week.
He insisted that he (should ) be sent there.
2．should的用法
1）表示“允诺”。
Mother told Tom he should have such a book tomorrow．妈妈告诉汤姆明天他就可得到这样一本书。
You should have a ticket as soon as I get some．我一弄到票就给你一张。
2）表示“强制、命令、威胁”，用于二、三人称的陈述句中。
You should do it as I told you．你要按我告诉你的做。
They should return all the balls as soon as the P．E．class is over．体育课一结束他们就得把所有的球都送回去。
3）表示“万一”，用于语气较强的假设。
If it should rain tomorrow，the meeting should be put off．万一明天下雨，会议就延期召开。
4）表示推测、推断，有“可能、该”之意。
It's nearly seven o'clock，Jack should be here at any moment．快七点了，杰克也该到这儿了。
5）表示义务，责任，可译为“本该”。
He should have told you the news early．他本该早告诉你那条消息的。
You shouldn't have quarreled with her last night．昨晚你本不该
和她争吵。
6）用于主语是第一人称的非真实条件的主句中，表示过去想做而未曾做的事，有“要是当初……，就会……”之意。
I should have visited you if I had known your address．我要是当初知道你的地址就去拜访你了。
7）表示“委婉、谦逊”，有“可、倒”之意。
Should you like tea？你可喜欢喝茶？
I should advise you not to do that again．我倒劝你别再那样做了。
8）用于why，where，how，when等疑问词之后，表示意外、惊奇，有“怎么会、想不到”之意。
Why should you be so late today？你今天怎么来得这么晚？
9）用在表示惊奇、慌惑、怀疑、必要等的名词性从句中，有“吃惊、惊讶”之意。should通常不可省略。
It's strange that he should have failed in the exam．真奇怪，他居然考试不及格。
Never did he expect that the conditions should be so terrible．他从未料到情况竟然如此糟糕。
The fact that the boys should have worked such wonders surprised us all．孩子们竟然能创造出这样的奇迹，这一事实使我们都感到惊奇。
10）用于表示建议、要求、命令的动词或名词后的名词性从句中，有“应该、必须”之意。should可以省略。
I suggested that we should hold a meeting tonight．我建议今晚我们召开一次会议。
It was insisted that she should sing an English song at the party．人们要求她在晚会上唱一支英语歌曲。
11）用于表示目的或由lest，in case等引导的从句中，有“可以、会”之意。
We got up early so that we should get there on time．我们起得很早以便可按时到达那里。
I will remind him lest he should forget it．我会提醒他，以免他忘记。

说话的时候（跟老外），如果应该做什么不应该做什么，用这个词说就可以了，such as" you should behaving good" 'I should tell you first..."
'He should be the one you loved:)"

you got it?

cheers

as
[As]
adv.
同样地, 被看作, 象
prep.
当做
conj.
与...一样, 当...之时, 象, 因为
[域] American Samoa, 东萨摩亚
abbr.
[军] Air to Surface, 空对地

As
symb 〈化〉砷 (arsenic)

AS
=Academy of Science科学院

as
as 1
AHD:[

虚拟语气时!