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had done的否定
英语 现在完成时。
答:
" 作为瞬间动词一般用于
否定
句,表示"到……,才……" He didn't come back until ten o'clock. 他到10 点才回来。 He slept tll ten o'clock. 他一直睡到10点。典型例题 1. You don't need to describe her. I ___ her several times. A.
had
met B.
have
met C. met D. ...
情态动词英语语法知识点
答:
2) 情态动词: need,只用原形need后加do,
否定
形式为need not。 Need you go yet? Yes, I must. / No, I needn't. 3) need 的被动含义:need, want, require, worth(形容词)后面接doing也可以表示被动: need doing = need to be
done
怎样快速提高英语成绩 一、正确背单词 利用好碎片时间背单词!这...
英语被动语态
答:
完成时态
have
(has)
done
,被动将been加中间。 一般将来shall(will)do,被动变do为be done。 将来进行无被动,shall(will)be doing。 现在完成进行同,have(has)been doing。 现、过进行be doing,被动be加being done。 情、助、有、是妥安排,一律随新主语变。
否定
助后加not,疑问一助置主前。 主语恰是疑问词,...
情态动词区别
答:
He
had
to walk home because the bus had left.need的用法 need除了可用作行为动词外,还可用作情态动词,作为情态动词使用时,多用于疑问句和
否定
句,后面直接跟动词原形,作为行为动词时,后面跟带to的动词不定式.他需要现在去看医生吗 Does he need to see a doctor now Need he see a doctor now ...
英语语法怎么学不会?
答:
从句:过去完成时
had
done
主句:would/ should/ could / might +
have
done If I had gotten there earlier, I would/ should/ could have met her. If he had taken my advice, he would not have made such a mistake. 与现在事实相反 从句:过去时(be只用were) 主句:would/ should/ could/ might +...
take a train和take the train有什么区别?
答:
以
否定
形式为例:used not to do,didn't used to do,didn't use to do都对。Used to do经常与be used to doing sth/sth结构进行对比。前者表示"过去常常或过去曾经",要求加动词原形;后者表示"习惯于",要求加名词或动名词。6.过去完成时(
had
done
)用法:表示在过去的某个时间或动作以前已经发生的动作或...
我想下载英语时态表,
答:
3.基本结构:
had
+
done
.4.
否定
形式:had + not + done.5.一般疑问句:had放于句首。6.例句:As soon as we got to the station, the train had left.By the end of last month. We had reviewed four books 七、 一般将来时:1.概念:表示将要发生的动作或存在的状态及打算、计划或...
if it wasn't an accident he must
have
done
it on
答:
must表示义务或强制,含义是“必须”“应当”; 其
否定
结构表示“不许可”或“不应该”; 用于一般疑问句时,表示征求对方的意见,其肯定答语用Yes, please或I'm afraid so,否定答语用needn't或don't
have
to; must在间接引语中表过去。The dictionary must be on the bookshelf in my bedroom....
人教版高中英语语法知识点
答:
1、情态动词+
have
done
(1)“must+have+done”表示对过去事情的肯定推测,译成“一定做过某事”,该结构只用于肯定句。 (2)“can t+have+done”表示对过去事情
的否定
推测,译成“不可能做过某事”。 (3)“can+have+done”表示对过去行为的怀疑,用于疑问句,译成“可能做过……吗?” (4)“could+have+done...
I
have
just
had
a bath改成一般疑问句怎么改?
答:
你好 I have just
had
a bath.这句话的时态是现在完成时, 结构是 have/has
done
sth, done表示过去分词。因为这句的主语I是第一人称单数, 所以用have, have had sth, had是
have的
过去分词。把它改成一般疑问句, 只需要把have放到句首, I变为相应的you, 句尾用问号。一般疑问句是
Have
...
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