新一輪中考復習備考周期正式開始，中考網為各位初三考生整理了中考五大必考學科的知識點，主要是對初中三年各學科知識點的梳理和細化，幫助各位考生理清知識脈絡，熟悉答題思路，希望各位考生可以在考試中取得優異成績！下面是《2018初中英語語法之主語一致原則》，僅供參考！
主語一致原則:即主語為單數,謂語用單數,主語為復數,謂語也用復數.
1.帶有with,along with,together with,like(象),but(除了),except,besides,as well as,no less than,rather than(而不是),including,in addition to引導的短語,謂語動詞的數與主語的數保持一致.
如:Air as well as water is matter.空氣和水都是物質.
No one except two servants was late for the dinner.除了兩個仆人外,沒有一個人遲來用餐
2.用and連接的并列主語,如果主語是同一個人,同一事,同一概念,謂語動詞用單數,否則用復數.如:
The poet and writer has come.那位詩人兼作家來了.(一個人)
A hammer and a saw are useful tools.錘子和鋸都是有用的工具.(兩樣物)
3.不定式(短語),動名詞(短語),或從句作主語時,謂語動詞用單數.如:588.es
Serving the people is my great happiness.
為人民服務是我最大的幸福.
When we’ll go out for an outing has been decided.
我們什么時候出去郊游已決定了.
4.并列主語被each,every或no修飾時,謂語動詞用單數.
Every boy and every girl likes to go swimming.每個男孩和每個女孩都喜歡去游泳.
No teacher and no student was absent from the meeting.沒有老師也沒有學生開會缺席.
Each man and(each)woman is asked to help.每個男人和每個女人都被請去幫忙.
5.若主語中有more than one或many a/an,盡管從意義上看是復數,但它的謂語動詞仍用單數.但more+復數名詞+than one做主語時,謂語動詞仍用復數.如:
Many a boy likes playing basketball.許多男生都喜歡打籃球.
More than one student was late.不只一個學生遲到
More persons than one come to help us.不止一個人來幫助我們.
6.名詞如:trousers,scissors,clothes,goods,glasses等作主語時,謂語動詞必須用復數.如:
His clothes are good.但這些名詞前若出現a pair of,謂語一般用單數.如:
A pair of glasses is on the desk.桌上有一副眼鏡.
7.形復意單名詞如:news;以ics結尾的學科名稱如:physics,mathematics,economics;國名如:the United States;報紙名如:the New Times;書名如:Arabian Night<天方夜談>;以及The United Nations<聯合國>等作主語時,謂語動詞用單數.
8.“a+名詞+and a half“,“one and a half+名詞”,“the number of+名詞”等作主語時,謂語動詞要用單數.如:
Only one and a half apples is left on the table.
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