英语语法知识点高三
鸟欲高飞先振翅，人求上进先读书。学习英语，需要把陌生的单词片语和句型语法不断的熟悉和熟练，使之成为我们的一种习惯。重复重复再重复，熟练熟练再熟练，是学会英语的不二法门。下面是小编给大家整理的一些高三英语语法的知识点，希望对大家有所帮助。
高三英语语法知识点
一、就近一致原则
1.由or，not only...but also...，neither...nor...，either...or...，whether...or...，not...but...等连接两个或两个以上的并列主语时，通常根据就近一致原则，谓语动词要与离它最近的主语在数上保持一致。
Neither his parents nor I am able to persuade him to change his mind.
2.here/there引导一个句子而主语又不止一个时，通常根据就近原则，谓语动词要与离它最近的主语在数上保持一致。
Here is a ruler，a few pencils and two copybooks.
二、意义一致原则
1.谓语动词必须用单数的情况
(1)表示学科的名词以及works(工厂)，news(消息)等作主语时，虽然本身为复数形式，但表示单数意义时，谓语动词仍用单数。
Politics is his favorite subject.
(2)表示某些组织机构的名词、书/报名、国名、地名等作主语时，虽然形式上是复数，但所表示的意义是单数，所以谓语动词用单数。
Do you know when the United Nations was set up?
2.谓语动词必须用复数的情况
表示总称意义的名词，如people，police，public，cattle等作主语时，谓语动词用复数。
The police are searching for the murderer.
3.谓语动词的形式依据主语表示的意义而定
(1)集体名词，如family，class，group，team，club，company，government，population等作主语时，谓语动词的形式根据其在语境中表示的意义而定。当其表示集体意义，强调整体概念时，谓语动词用单数;当其表示集体中各个组成部分，强调个体概念时，谓语动词用复数。
As far as I know，his family is not very large but the family are all music lovers.
(2)“the+形容词/分词”表示“一类人”时，谓语动词用复数。
The poor were looked down upon in the old days.
三、语法一致原则
1.由and连接的两个名词作主语
(1)“a/the+名词单数+and+名词单数”表示一个人(双重身份)，谓语动词用单数。
The teacher and poet often gives lectures around the city.
(2)“a/the+名词单数+and+a/the+名词单数”表示两个人，谓语动词用复数。
The teacher and the poet have just arrived.
(3)“every+名词单数+and+every+名词单数”表示每一个人，谓语动词用单数。
Every boy and every girl has the right to receive education in our country.
(4)通常由两个部件组成的物品如：a knife and fork (一副刀叉)等作主语，谓语动词用单数。
Bread and butter is not to his taste.
2.表示时间、数量、长度及价格的名词，尽管有时是复数形式但常被看作是一个整体，谓语动词用单数形式。
Is fifty pounds enough?
高三英语语法知识点整理
虚拟语气在一些特殊词中的使用或含蓄条件句
1.wish后的宾语从句。
与现在愿望不一致，用主语十过去时，例如：
I wi。hIwere you.
与过去愿望不一致，用主语+had+过去分词，例如：Iwish I had visited the White House whenI was in the States与将来愿望不一致，用主语+would (could)+原形。
2.It's time句型：当lt's tine后用that从句时应该为主i吾+should+动词原形或主语十过去时，例如：It，s time thatyou went to school.或It's time that you should go to schooL
3- If only引起的感叹句相当于“How I wish+宾语从句”。
(l)If only he could come.他要能来就好了。
(2)If only I had known the answer.我要早知道答案就好了。
4.WOuld rather，as if(though)引导的从句也需使用虚拟语气，表示过去的情况用过去完成时，表示现在与将来的情况用过去时，例如：
(l)I'd rather you posted the letter right away.
(2)She loves the children as if they were hers.
5.含蓄虚拟条件句含蓄条件句是指句中没有明显的虚拟条件句，而是利用其他手段来暗示存在虚拟条件。但是这类隐含式虚拟条件句往往都可以转化为if引导的条件句。常用来表示含蓄虚拟条件的手段有：
(1)介词或介词短语。如but for，but that，without,in case of, under more favorable condition等。
(2)连词。如so that, unless, in case, supposing,lest, provided(倘若……)，for fear that(唯恐)，in orderthat, on condition that, if only(要是……就好了)等。
注意：lest, for fear that和in case引起的从句中谓语动词多用should+动词原形，但也可以不用虚拟语气，而用动词的陈述语气形式。例如：The foreign teacher spokeslowly in case we misunderstood him这位外籍教师说得很慢以免我们误解。
(3)通过上下文及内在含义，句中往往有but,otherwise, unfortunately等类似转折词。
without, but. but for, otherwise引起的短语或句子常暗含着含蓄条件。例如：
①Without you,1 would never know him
②But for your oooperation, we wouldn't have done it
③But that she was afraid, she would have said no. .
④i would be most glad to help you, butI am busy now.
⑤I would have come to the party yesterday, but ljwas working.
⑥I am busy now, otherwise l would do you the favor!
高三下册英语语法知识点
pleasant, pleasing, pleased
(1) pleasant 可作定语和表语。修饰事物，不能修饰人。因此句子的主语只能是表示事物的词语，而不能是人。意思是“令人愉快的，令人高兴的”。
I hope you'll have a pleasant holiday.
我希望你能过一个愉快的假期。
(2) pleasing “令人高兴的，令人愉快的”，表示宁静、满意、令人满足之意。侧重于表示接受对象的情感，传递主观感受。比 pleasant 稍弱。主语可为人或事物。
An actor should have a pleasing personality.
表演者应当具有一种令人愉快的个性。
(3) pleased “高兴的，感到满意的”含义与glad基本相同。作表语时，句子的主语只能是“人”，而不能是表示事物的词语。be pleased with 表示“对……表示满 意”之意。
She had a pleased look on his face.
她脸上露出了满意的表情。
burn down, burn up, burn out
bum down 指“烧为平地，烧毁”;也指“火力减弱”。
The house was burnt down in an hour.
房子一小时被烧为平地。
bum up 有“烧旺”之意，也可指“消耗掉”。
You'd better put more wood on the fire to make it burn up.
你往火上添着柴，让它烧旺。
bum out 指“火熄灭”。
The fire had burnt out before I returned.
在我回来前，火已经熄灭了。
elect, select, choose
elect 只能用于选举人，是投票选举的正式用语。
They elected Nixon President. 他们选尼克松为总统。
choose 可用于挑选人或物。
It's hard for me to choose one from so many pairs of shoes.
要从这么多双鞋子当中挑选一双对我来说真是太难了。
select 意为精心挑选，多用于物。
She selected a pair of socks to match her suit.
他精心挑选了一双袜子来与衣服搭配。
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