must+have done过去一定做了某事（对过去的事情一种肯定的猜测、推测）。如：He said I must have done something bad to deserve it.他说我肯定是罪有应得。That car must have cost a packet.那辆汽车一定花了一大笔钱。I think we must have taken a wrong turning somewhere.我觉得我们一定...
9、当陈述句部分有情态动词must时,反意疑问部分有四种情况 (1)must表示“必须、禁止“时,反意疑问部分要用must (mustn’t) 。 例You mustn’t stop your car here, must you? 你不能把车停在这地方,知道吗? (2)must表示“有必要”时,反意疑问句部分要用needn’t。 例They must finish the work ...
例如：since the road is wet,it must have rained last night.2；当然对现在发生或者将来发生的事情，要用must do表示猜测，否定为can’t do he must understand that we mean business.you must be hungry after a long walk.反意疑问句中含有Must的情况主要有以下几种：1）作为情态动词表“必须...
there?19) 否定前缀不能视为否定词，其反意疑问句仍用否定形式。It is impossible, isn't it?He is not unkind to his classmates, is he?20) must在表"推测"时，根据其推测的情况来确定反意疑问句。He must be there now, isn't he?It must be going to rain tomorrow, won't it?
19) 否定前缀不能视为否定词，其反意疑问句仍用否定形式。It is impossible, isn't it?He is not unkind to his classmates, is he?20) must在表"推测"时，根据其推测的情况来确定反意疑问句。He must be there now, isn't he?It must be going to rain tomorrow, won't it?快速记忆...
17.陈述部分有had better时，反意疑问句中要用hadn't。例如：We had better go to school at once, hadn't we? 我们现在最好马上去上学，好吗？18.当陈述部分含有情态动词must时，我们便要分析一下must的含义。如果must 作“一定；要；必须”讲，反意疑问句须用mustn't或needn't；而当must作...
2、反意疑问句用法说明 ◇注意: 反意疑问句前后两部分谓语应是,“肯定陈述+否定疑问”或“否定陈述+肯定疑问” 简略问句如果是否定式,not应与be,do,will等系动词、助动词、情态动词缩写 简略问句的主语不用名词,应用人称代词 当说话者的目的不在疑问,而是为了加强语气时,用降调 当说话者的目的在疑问,则用升调...
*含有否定含义的词在陈述部分作动词的宾语时,其反意疑问句用肯定结构,也可以用否定结构。例如:You got nothing from him, did you/didn’t you? 你从他那儿什么也没得到,是吗?*陈述部分的主语是不定代词one时,反意疑问句的主语可以用one,也可用you(美式英语用he)。*One can’t be careful enough, can ...
9、当陈述句部分有情态动词must时,反意疑问部分有四种情况 (1)must表示“必须、禁止“时,反意疑问部分要用must (mustn’t) 。 例You mustn’t stop your car here, must you? 你不能把车停在这地方,知道吗? (2)must表示“有必要”时,反意疑问句部分要用needn’t。 例They must finish the work ...
9、当陈述句部分有情态动词must时,反意疑问部分有四种情况 (1)must表示“必须、禁止“时,反意疑问部分要用must (mustn’t) 。 例You mustn’t stop your car here, must you? 你不能把车停在这地方,知道吗? (2)must表示“有必要”时,反意疑问句部分要用needn’t。 例They must finish the work ...