八年级的英语语法,help,need,rian,musthelp,need,rian,must在句子中的用法,quiet的其他意思,再介绍一下情态动词和实意动词.最好能举一些简单的例子,好的话就加分.

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八年级的英语语法,help,need,rian,musthelp,need,rian,must在句子中的用法,quiet的其他意思,再介绍一下情态动词和实意动词.最好能举一些简单的例子,好的话就加分.
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八年级的英语语法,help,need,rian,musthelp,need,rian,must在句子中的用法,quiet的其他意思,再介绍一下情态动词和实意动词.最好能举一些简单的例子,好的话就加分.
八年级的英语语法,help,need,rian,must
help,need,rian,must在句子中的用法,quiet的其他意思,再介绍一下情态动词和实意动词.最好能举一些简单的例子,好的话就加分.

八年级的英语语法,help,need,rian,musthelp,need,rian,must在句子中的用法,quiet的其他意思,再介绍一下情态动词和实意动词.最好能举一些简单的例子,好的话就加分.
help

n.
帮忙, 补救办法, 助手, 治疗, 佣工
vt.
帮助, 助长, 接济, 治疗, 款待
vi.
有用, 救命, 招待 [计] 显示命令格式的简短概述
现代英汉综合大辞典
help

vt.
帮助; 辅助; 援助 救济; 补救 治疗 促进, 助长 [仅用于词组can [can't, couldn't] help]阻止; 避免 进食于... 分配(食物等)
I'll not give you any trouble if I can help it.
我要是想得出办法, 就不会来给你添麻烦了.
【习惯用语】
be helped up with [口]为...所累(I couldn't run to catch the bus, as I was helped up with a lot of parcels. 我因为拿着许多大包? 没法跑去赶公共汽车.) be of help to sb. 对某人有帮助 by the help of 得到..的帮助 cannot help (doing) 不禁, 忍不住, 不得不 cannot help but 不能不, 不得不(I cannot help but be sorry. 我不能不感到遗憾.) cannot help oneself 情不自禁; 不能自制 come to sb.'s help 赶来帮助某人 come to sb.'s aid 赶来帮助某人 come to sb.'s assistance 赶来帮助某人 give a help ing hand 助一臂之力 God helps those who help themselves. 天助自助者. I can't help it. 我实在控制不住; 这不能怪我. It can't be helped. [口]无可挽回! more than one can help [用于否定句]过份, 太多 Don't spend more money than you can help 除非不得己, 不要多化钱. There is no help for it 无法可想; 无可挽回. with the help of 在...帮助下 with a help of 在...帮助下 help forward 促成[进] help along 促成[进] help oneself to [口]随意取用[取食] 擅自取用; 私自占有; 偷 help sb. down 把某人搀扶下来 help sb. off with 帮某人脱 去(衣服等) help sb. on with 帮某人穿上(衣服等) help out 帮助(某人); 帮助(某人)解决困难[做某事] help sb. out 帮助(某人); 帮助(某人)解决困难[做某事] help sb. over 帮某人越过[度过] help sb. to 给某人添(酒、菜等) 帮某人得到[达到, 找到] help sb. up 把某人扶起 扶某人登上 help with 帮做(某事)
need一词是中学英语“四会”(听、说、读、写)词汇之一,能够充分理解和正确运用它是教学大纲的必然要求.但由于其词性多变,许多学生对它满怀疑惑,特别是在需要将句子变为否定与疑问的时候不知是在其后加not呢,还是借助助动词.
虽然need一词的汉语意思都与“需要”有关,但就词性而言,它可用作实义动词、情态动词和名词;词性发生了变化,它的用法与在句子中所起的作用也随之改变.
一.用作实义动词
作为实义动词,need后面的宾语可以是名词、动名词、动词不定式或代词,这种情况下,need既可用于肯定句,也可用于否定句和疑问句,构成否定句和疑问句时要借助于助动词do或does.
1.need sth.
这是need最常见的用法之一,其后的宾语可以是名词,也可以是代词.如:
1). We need a great deal of money now. 我们需要和多钱.
2). They don’t it any more. 他们不再需要它了.
3). Does your father need any help? 你爸爸需要帮助吗?
2.need doing 与 need to be done
need后面可跟动名词作宾语,这种情况下应注意两点:
①.主动形式的动名词doing具有被动的含义;
②.该动名词可以改为其动词不定式的被动形式而句子的意义不变.例如:
4). The door needs painting.
= The door needs to be painted. 那扇门需要油漆一下.
5). Your car needs mending.
= Your car needs to be repaired. 你的车需要维修了.
3.need to do sth.
作为实义动词,need后面需要接带to的动词不定式,表示有义务或责任去做某事.如:
6). What do we need to take for the picnic? 野餐我们需要带些什么?
7). Will we need to show our passports? 我们需要出示护照吗?
8). You need to take good care of your mother. 你要好好照料你妈妈.
二.用作情态动词
作为情态动词的need具有情态动词的一般性质,要充分阐释作为情态动词的need的用法,务必首先说明白情态动词的特征.情态动词的主要特征:
①.没有人称和数的变化.不论主语是第几人称,不论主语是单数还是复数,情态都词都无形式变化;
②.不能单独充当谓语.情态动词必须与一个实义动词一起构成复合谓语,并且这个实意动词要始终是动词原形.
③.变为否定句时只需在情态动词之后加not.
④.变为疑问句时只需将情态动词提到主语的前面.
这是情态动词的共性,作为情态动词的need当然也具有这些共性.了解了这些还不够,还要掌握作为情态动词need的一个个性,就是它只能用于否定句和疑问句,或用于由if或whether引导的宾语从句中,一般不能用于肯定句.理解了这些之后,我们便可以如此区分need的词性了:只要need后面跟的是动词原形,它就是情态动词.这时,变否定,只需在其后加not;变为疑问句,只需把它移主语的前面.例如:
9). Need I type this letter again? 我需要重新录入将这封信吗?
10). There is enough time. You needn’t hurry. 有的是时间,你不必着急.
11). The president wondered whether he need send more soldiers. 总统不知道他是否要增兵.
12). ---Must I hand in my homework now? 现在我必须交作业吗?
---No, you needn’t. 不,你不必.
三.用作名词
need作为名词,含义为“缺乏,需要”;其复数表示“基本需要”.要掌握两个词组:in (great) need of(急需) 与meet the needs of(满足……的需要).例如:
13). There’s no need for you to try again. 你不必再尝试了.
14). The factory is in great need of funds. 那家工厂急需资金.
15). This house of the 1790’s can even meet the needs of the 21st century. 这栋18世纪90年代的房子甚至能够满足21世纪的需要.
rain
n.
1.雨,雨水[U]
Do you get much rain?
你们那儿雨水多吗?
2.降雨,一场雨[C]
3.(雨点般的)落下;(下雨般的)一阵[S][(+of)]
A rain of abuse has been heaped upon him.
他遭到好一顿咒骂.
4.雨季[the P][K]
不及物动词 vi.
1.下雨,降雨
I think it's going to rain.
我想快要下雨了.
2.如雨般落下;雨水般地淌下[Q]
及物动词 vt.
1.使如雨下[O]
2.大量地给[O]
He rained gifts on his future bride.
他给未来的新娘大批礼物.
Must用法全接触
一、表“必须”.
You must talk to them about their study.你必须同他们谈谈关于他们学习的事.
二.在否定结构中表不许.
You mustn't leave here.你不能离开这儿.
三.表坚定的建议.
You must come and see us as soon as you get to Shanghai.一到上海你得马上来看我们.
四.表推测,暗含有很大的可能性,用在肯定句.
He must be ill. He looks so pale.他肯定是病了.他的脸色那么苍白.
注意:
may 暗含的可能性较小.must 暗含的可能性较大.否定的猜测用can't
The baby can't be ill. He is so active.那宝宝不大可能是病了.他那么活跃.
五.关于must的简短回答:
Must I clean the dining room at once? 我必须马上打扫膳厅吗?
Yes, you must. 是的.
No, you needn't.不必马上打扫.(No, you don't have to.)
形容词 a.
1.安静的;轻声的;沉默的
Be quiet!
安静!
2.宁静的,安定的;平静的
The sea was quiet before the storm struck.
暴风雨来袭前海面很平静.
3.秘密的,不公开的
4.文静的,温和的
He was a quiet man who didn't let small things upset him.
他是个性格平和的人,从不为小事生气.
5.(衣服、颜色等)素净的
名词 n. [U]
1.安静;寂静
I'd like a few hours of quiet after the day's work.
一天工作下来我想有几小时的安静.
2.安稳;和平
及物动词 vt.
1.使安静;使平息
They finally succeeded in quieting her.
他们终于使她平静下来.
2.抚慰,安慰
不及物动词 vi.
1.平静下来[(+down)]
The wind quieted down.
风静了下来.
副词 相当,很,非常
He works very hard.

help sb. to do sth.
help sb. with sth.
need to do sth.
need doing sth.
must to do sth.

need to do sth
must to/must be
help sb to do sth/help sb doing sth