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must be
must
should can/could 的区别和用法sorry,太多要求
答:
我们应该努力学习(
must
+不带to 不定式study充当谓语)例如2:Hecan speak a little English .他会说一点儿英语(can +不带to 不定式speak充当谓语)例如3:Hemust have gone home.他准是/一定是回家了(must+不带to 不定式havegone 充当谓语)例如4:Hemust
be
waiting for us .他一定是在等我们(must+不带to ...
need、might、
must
、can、做情态动词与做动词的意思是什么?
答:
1. he play isn’t interesting, I really
must
go now.2. I had to work when I
was
your age.3) 表示推测、可能性(只用于肯定的陈述句)1. You’re Tom’s good friend, so you must know what he likes best.2. Your mother must
be
waiting for you now.四、 dare, need ...
there
be
句型中为什么要加will?
答:
1. There may
be
another bridge across the Yellow River with the quick development of the economy of China.随着中国经济的飞速发展,黄河上可能会有另一座桥。2. There
must
be some rules for the changes.这些变化中一定有规律。3. There may be some errors, but the composition, as a ...
must
用法
答:
1,
must
表示推测。意为“准是”、“一定是”, 后接完成式,用来谈论已发生的情况。如:He must have arrived already.他一定已经到了。2、Everybody says I must
be
mad and they are probably right.大家都说我肯定是疯了。这句中must后接动词原形,表示对现在情况的推测。再例如:He must be...
does 后为什么不能用
must
答:
must
(情态动词)常位于句子主语与谓语动词之间,且情态动词后动词应用原型。如:I think that I must do my homework now.(宾语从句中情态动词“must”位于主语“I”与谓语“do”之间。)第三人称单数时must后面加do还是does do must 是情态动词,后面即使是第三人称单数,也用动词原形 must、has、...
must
用在什么情况下?
答:
eg:You
must
leave at once, mustn’t [needn’t] you?你必须(有必要)马上离开,是吗?但是若陈述部分有mustn’t表示禁止,疑问部分要must You mustn’t laugh, must you?你不准笑,知道吗?② 若must表示推测,疑问部分不能用must,而应根据must后的动词结构采用相应的动词形式 He must
be
...
must
和had to的区别
答:
3.
must
的否定结构mustn't意为"禁止、不许",语气较为强烈。例如:You mustn't go swimming today.你今天不许去游泳。You mustn't drive so fast.不许开得这么快。4. must可表示有把握的判断或推测,意为"一定、准是",一般用在肯定句中。例如:He must
be
a middle school student.他一定...
be
able to和can的区别
答:
can能表猜测,
be
able to不能。can的这种用法主要用于疑问句和否定句。Somebody is knocking at the door. Who can it be?It can't be our teacher who is knocking at the door.其肯定形式是
must
be。如:It must be our teacher who is knocking at the door.must have done something ...
must
什么时候翻译为一定,什么时候为必须
答:
She asked if she
must
(had to) leave. 她问她是否一定要离开。(3)对于must 开头一般疑问句,若要作否定回答,可用needn’t,不用mustn’t:"
Must
I come over tonight?" "No, you needn’t." “我今晚必须过来吗?”“不必。”(4)其后可接被动结构或进行形式:Something must
be
done to...
can,may,
must
,should不同点
答:
You
must
come in time.回答must引出的问句时,如果是否定的回答,不能用mustn't,而要用needn't或don't have to。—
Must
we hand in our exercise books today?— Yes, you must. (No, you don’t have to.)2. “must
be
+ 表语”的结构表示推测,它的否定或疑问式用can代替must。Th...
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