成人英語三級(jí)考試詞匯與語法輔導(dǎo):主謂一致
一、語法一致原則
語法上一致就是謂語動(dòng)詞和主語在單、復(fù)數(shù)形式上保持一致。
1. 以單數(shù)名詞或代詞、動(dòng)詞不定式短語、動(dòng)名詞短語或從句作主語時(shí),謂語動(dòng)詞一般用單數(shù)形式;主語為復(fù)數(shù)時(shí),謂語動(dòng)詞用復(fù)數(shù)形式。如:His father is working on the farm. / To study English well is not easy. / What he said is very important for us all. / The children were in the classroom two hours ago. / Reading in the sun is bad for your eyes.
注意:由what引導(dǎo)的主語從句,后面的謂語動(dòng)詞多數(shù)情況用單數(shù)形式,但若表語是復(fù)數(shù)或what從句是一個(gè)帶有復(fù)數(shù)意義的并列結(jié)構(gòu)時(shí),主句的謂語動(dòng)詞用復(fù)數(shù)形式。如:What I bought were three English books. / What I say and do is (are) helpful to you.
2. 由連接詞and或both …… and連接起來的合成主語后面,要用復(fù)數(shù)形式的謂語動(dòng)詞。如:Lucy and Lily are twins. / She and I are classmates. / The boy and the girl were surprised when they heard the news. / Both she and he are Young Pioneers.
注意:(1)若and所連接的兩個(gè)詞是指同一個(gè)人或物時(shí),它后面的謂語動(dòng)詞就應(yīng)用單數(shù)形式。如:The writer and artist has come. (2)由and連接的并列單數(shù)主語前如果分別有no, each, every more than a (an) , many a (an)修飾時(shí),其謂語動(dòng)詞要用單數(shù)形式。如:Every student and every teacher was in the room. / No boy and no girl likes it.
3. 主語為單數(shù)名詞或代詞,盡管后面跟有with, together with, except, but, like, as well as, rather than, more than, no less than, besides, including等引起的短語,謂語動(dòng)詞仍用單數(shù)形式;若主語為復(fù)數(shù),謂語用復(fù)數(shù)形式。如:Mr. Green, together with his wife and children, has come to China. / Nobody but Jim and Mike was on the playground. / She, like you and Tom, is very tall.
4. either, neither, each, every 或no +單數(shù)名詞和由some, any, no, every構(gòu)成的復(fù)合不定代詞,都作單數(shù)看待。如:Each of us has a new book. / Everything around us is matter.
注意:(1)在口語中當(dāng)either或neither后跟有“of+復(fù)數(shù)名詞(或代詞)”作主語時(shí),其謂語動(dòng)詞也可用復(fù)數(shù)。如:Neither of the texts is (are) interesting. (2)若none of后面的名詞是不可數(shù)名詞,它的謂語動(dòng)詞就要用單數(shù);若它后面的名詞是復(fù)數(shù),它的謂語動(dòng)詞用單數(shù)或復(fù)數(shù)都可以。如:None of us has (have) been to America.
5. 在定語從句時(shí),關(guān)系代詞that, who, which等作主語時(shí),其謂語動(dòng)詞的數(shù)應(yīng)與句中先行詞的數(shù)一致。如:He is one of my friends who are working hard. / He is the only one of my friends who is working hard.
6. 如果集體名詞指的是整個(gè)集體,它的謂語動(dòng)詞用單數(shù);如果它指集體的成員,其謂語動(dòng)詞就用復(fù)數(shù)形式。這些詞有family, class, crowd, committee, population, audience等。如:Class Four is on the third floor. / Class Four are unable to agree upon a monitor.
注意:people, police, cattle等名詞一般都用作復(fù)數(shù)。如:The police are looking for the lost child.
7. 由“a lot of, lots of, plenty of, the rest of, the majority of + 名詞”構(gòu)成的短語以及由“分?jǐn)?shù)或百分?jǐn)?shù)+名詞”構(gòu)成的短語作主語,其謂語動(dòng)詞的數(shù)要根據(jù)短語中后面名詞的數(shù)而定。如:There are a lot of people in the classroom. / The rest of the lecture is wonderful. / 50% of the students in our class are girls.
注意:a number of“許多”,作定語修飾復(fù)數(shù)名詞,謂語用復(fù)數(shù);the number of“……的數(shù)量”,主語是number,謂語用單數(shù)。
8. 在倒裝句中,謂語動(dòng)詞的數(shù)應(yīng)與其后的主語一致。如:There comes the bus. / On the wall are many pictures. / Such is the result. / Such are the facts.
二、邏輯意義一致原則
邏輯意義一致就是謂語動(dòng)詞的數(shù)必須和主語的意義一致(因有時(shí)主語形式為單數(shù),但意義為復(fù)數(shù);有時(shí)形式為復(fù)數(shù),但意義為單數(shù))。
1. what, who, which, any, more, all等代詞可以是單數(shù),也可是復(fù)數(shù),主要靠意思來決定。如:Which is your bag? / Which are your bags? / All is going well. / All have gone to Beijing.
2. 表示“時(shí)間、重量、長度、價(jià)值”等的名詞的復(fù)數(shù)作主語時(shí),謂語動(dòng)詞通常用單數(shù)形式,這是由于作主語的名詞在概念上是一個(gè)整體,如:Thirty minutes is enough for the work.
3. 若英語是書名、片名、格言、劇名、報(bào)名、國名等的復(fù)數(shù)形式,其謂語動(dòng)詞通常用單數(shù)形式。如:“The Arabian Nights” is an interesting story-book.
4. 表數(shù)量的短語“one and a half”后接復(fù)數(shù)名詞作主語時(shí),其謂語動(dòng)詞可用單數(shù)形式(也可用復(fù)數(shù)。如:One and a half apples is (are) left on the table.
5. 算式中表示數(shù)目(字)的主語通常作單數(shù)看待,其謂語動(dòng)詞采用單數(shù)形式。如:Twelve plus eight is twenty. / Fifty-six divided by eight is seven.
6. 一些學(xué)科名詞是以 –ics 結(jié)尾,如:mathematics, politics, physics 以及news, works等,都屬于形式上是復(fù)數(shù)的名詞,實(shí)際意義為單數(shù)名詞,它們作主語時(shí),其謂語動(dòng)詞要用單數(shù)形式。如:The paper works was built in 1990. / I think physics isn‘t easy to study.
7. trousers, glasses, clothes, shoes, 等詞作主語時(shí),謂語用復(fù)數(shù),但如果這些名詞前有a (the) pair of等量詞修飾時(shí),謂語動(dòng)詞用單數(shù)。如:My glasses are broken. / The pair of shoes under the bed is his.
8. “定冠詞the + 形容詞或分詞”,表示某一類人時(shí),動(dòng)詞用復(fù)數(shù)。
三、就近一致原則
在英語句子中,有時(shí)謂語動(dòng)詞的人稱和數(shù)與最近的主語保持一致。
1. 當(dāng)兩個(gè)主語由either …… or, neither …… nor, whether …… or ……, not only …… but also連接時(shí),謂語動(dòng)詞和鄰近的主語一致。如:Either the teacher or the students are our friends. / Neither they nor he is wholly right. / Is neither he nor they wholly right?
2. there be句型be動(dòng)詞單復(fù)數(shù)取決于其后的主語。如果其后是由and連接的兩個(gè)主語,則應(yīng)與靠近的那個(gè)主語保持一致。如:There are two chairs and a desk in the room.
注意:Here引導(dǎo)的句子用法同上。
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