英语高手速进! necessary 的用法!

英语高手速进! necessary 的用法!

常见句型：
用作形容词 (adj.)
She will make necessary arrangements.
她会作好必要的准备.
If necessary,please warehouse the goods.
如有必要,请将该货存入仓库.
The necessary outcome of a war is a fall in production.
战争带来的必然结果就是生产力下降.
用作定语～+ n.
My money came short of the necessary sum.\x05
我的钱不足所需的数目.
Do you have the necessary skills for this job?\x05
你具备做这项工作所必需的技能吗?
They joined the wires and made the necessary new connection.\x05
他们把电线接了起来,接通了所需的新线路.
用作表语S+be+～
A year's guarantee on the television set for all repairs might be necessary.\x05
必须为电视机提供为期一年免费修理的保单.
A climber must learn to discriminate as to when compass bearings are necessaryand when they are not.\x05
一个登山者必须学会辨别什么时候需要罗盘测定方位,什么时候不需要.
Under certain conditions,answering back sarcastically is necessary.\x05
在某种情况下,反唇相讥是必要的.
S+be+～+ prep .-phrase
Patience and understanding are necessary for a teacher of infants.\x05
耐心和理解是幼儿教师必不可少的.
What is necessary for one person is not always necessary for another.\x05
对某人来说是必需的东西,对别人则未必如此.
These reference books are necessary to scientists.\x05
这些参考书是科学工作者所必需的.
Sleep is necessary to one's health.\x05
睡眠对健康是必要的.
查看更多It is/was+～+(for sb) to- v
It was necessary to jump on the ice coated mounds of brush several times before they could flush.\x05
你得在这些被冰覆盖的树丛上跳上好几下,才能把它们惊起.
It's necessary to raise wages on the basis of increasing production.\x05
需要在增加生产的基础上增加工资.
Because the company was doing more business,it was necessary to expand the factory.\x05
由于公司业务的扩大,扩大工厂是必然的.
It was necessary to retire several generals who lacked energy and enterprise.
使几位缺乏精力和上进心的将军解职是必要的.
It is sometimes necessary to indulge a sick child.\x05
迁就一个生病的小孩有时是必要的.
It is both important and necessary to note this difference.\x05
注意到这个差别是重要的和必要的.
Is it really necessary for me to attend the meeting?\x05
我真的必须出席会议吗?
It's necessary for us to net the currant bushes.\x05
我们有必要用网盖上红醋栗树.
It is necessary for them to decide on which type of fuel is most suitable.\x05
他们必须决定哪一种燃料最合适.
查看更多It is/was+～+that-clause
It is necessary that everyone be there in time.\x05
大家都按时到达那里是必要的.
It's necessary that young and old people should communicate more with each other.\x05
年轻人和老年人有必要保持更多的联系.
用作宾语补足语S+V+O+～
We consider it necessary that the machine should be oiled regularly.\x05
我们认为机器必须定期加油.
This has made it necessary for agriculture and industry to develop very quickly.
这就使得工农业必须飞速发展.
I felt it necessary to speak about our shortcomings.\x05
我觉得有必要谈谈我们的缺点.
词汇搭配：
necessary actions 必要措施
necessary apologies 必要的道歉
necessary arrangements 必要的安排
necessary end 必然的结局
necessary equipment 必要的装备
necessary information 必要的信息
necessary instruments 必要的仪器
necessary makeshift 必要的权宜之计
necessary restriction 必要的限制
necessary result 必然的结果
necessary skill 必需的技能
necessary sum 所需的数目
副词+～
absolutely necessary 绝对必要
highly necessary 非常必要的
really necessary 真的必要
+介词
necessary for 对…是必要的
necessary for health 对健康是必要的
necessary to 对…是必需的
再问： 太详细了、谢谢