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mustn't be
must变否定是什么,变一般疑问句是什么?
答:
1,must做比须时,否定是must not或
mustn't
;表示推测时,通常与
be
连用,否定用can't be 2,must做比须时,反义疑问句用mustn't;如You must obey the school rules,mustn't you?表示推测时,要用be或助动词do的相应时态;如:Tom must be in the school room now,isn't he?Tom must ...
must和
mustn't
有什么区别?
答:
一,must(意思是必须,应当)①用第一人称时,表示说话人认为,有义务,必须去做某事。如:We must love our country.我们要爱祖国 ②用第二,三人称时,说话人命令,让别人做某事 You must finish yourhomework today.你今天必须要玩成作业。二,must
be
(表示肯定,猜测,含有一定的意思。)如 He ...
can't和
mustn't
有什么区别?
答:
如:You
mustn't
smoke here. 在这里你不许抽烟。2. can't/couldn't表示推测时,意思是“不可能...”,语气非常坚决的否定推测。根据动作发生的时间,一般分为以下三种情况:1)进行式(对正在发生的事情的否定推测):can't
be
doing sth 如:It's already ten o'clock. My father can't ...
needn't和
mustn't
有区别吗?
答:
例子:- You don't have to attend the meeting, there is no need, you needn't go.(你可以不去开会,没有必要,你needn't去。)- You cannot
be
late, it's not allowed, you
mustn't
be late.(你不可以迟到,这是禁止的,你mustn't迟到。)4.语气:needn't表示建议或提醒,语气较轻...
mustn't
和can't的区别
答:
如:You
mustn't
smoke here. 在这里你不许抽烟。2.can't/couldn't 表示推测时,意思是“不可能...”,语气非常坚决的否定推测。根据动作发生的时间,一般分为以下三种情况:1)进行式(对正在发生的事情的否定推测):can't
be
doing sth.如:It's already ten o'clock. My father can't ...
needn't和
mustn't
的区别是什么?
答:
例句:You
mustn't
cheat on the exam. It's a violation of academic integrity.五、影响范围区别:1. needn't:指特定的情景或行动,范围较窄,仅涉及到不必要做某事的局部情况。例句:You needn't wait for me. I'll
be
home late tonight.2. mustn't:指禁止的行为或行动,范围较广,...
can't和
mustn't
的区别是什么?
答:
can't和
mustn't
的区别为:指代不同、语法不同、侧重点不同。一、指代不同 1、can't:不能。2、mustn't:的常用口语形式。二、语法不同 1、can't:can用作情态动词的基本意思是“能,能够”“可以”“可能,会”,可表示体力、智力能够完成一件事情或环境赋予的能力; 也可表示由于环境或其他因素...
needn’ t与
mustn
’ t的区别是什么?
答:
例句:You
mustn't
cheat on the exam. It's a violation of academic integrity.五、影响范围区别:1. needn't:指特定的情景或行动,范围较窄,仅涉及到不必要做某事的局部情况。例句:You needn't wait for me. I'll
be
home late tonight.2. mustn't:指禁止的行为或行动,范围较广,...
must的用法?
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 ...
needn't的意思是不必要,而
mustn't
呢?
答:
needn't 通常用在非正式情境下, 更偏向于日常口语中的表达。而
mustn't
则更为正式,多用于正式语境或者规章制度中。例句:①You needn't prepare dinner, we're eating out tonight. 你不用准备晚餐,我们今晚要外出就餐。②You mustn't
be
late for the meeting. 你不能迟到参加会议。4、对...
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