内容正文:
鲁教版英语(五四制)九下Unit4语法讲解及习题:
主谓一致(Subject‑verb agreement)
一、核心概念
(一)定义
主谓一致:句子的谓语动词单复数形式,必须和句子主语在人称、数上保持一致。简单理解:主语为单数,谓语用单数形式;主语为复数,谓语用复数形式。
(二)三大核心原则
1. 语法一致原则(看主语语法形式)
(1)单数主语、不可数名词作主语,谓语动词用单数(三单);复数主语谓语用复数原形。
例句(体育话题):Tennis requires lots of practice. 网球需要大量练习。
(2)both … and …连接两个并列主语,谓语永远用复数。
例句:Both swimming and running are good for athletes. 游泳和跑步对运动员都有益。
(3)不定代词everyone / everybody / everything / each / neither / nobody / someone作主语,谓语动词一律单数三单。
例句:Everybody is excited about the sports meeting. 每个人都对运动会感到兴奋。
(4)主语后面带with, together with, as well as, except, besides短语时,谓语单复数只看最前面真正的主语,不看 with 后面的人或事物。
例句:The coach as well as his players trains hard every day. 教练和队员们每天刻苦训练。(真正主语 the coach 单数,谓语 trains)
2. 就近一致原则(谓语看离它最近的主语)
(1)适用结构:
either…or…(要么…… 要么)、neither…nor…(既不…… 也不)、not only…but also…(不仅…… 而且)、there be句型。
口诀:靠近谁,就跟谁。
例句:Either you or your teammate takes part in the relay race. 要么你,要么你的队友参加接力赛。(靠近 your teammate 单数,谓语 takes)
There is a basketball match and two running races tomorrow. 明天有一场篮球赛和两场跑步比赛。(靠近 a basketball match 单数,be 动词用 is)
3. 意义一致原则(看主语实际含义,形式与含义不一致)
(1)集合名词family, team, class:
①指整体团体、家庭,谓语用单数;
②指团体里面的各个成员,谓语用复数。
例句:
My family is a big one.(指家庭整体,单数)
My family all love watching ball games.(指家里家庭成员,复数)
(2)专有名词the Olympics(奥运会),形式复数,含义复数,谓语必须用复数。
例句:The Winter Olympics take place every four years. 冬奥会每四年举办一次。
(3)each作同位语,不改变主语的单复数。
例句:They each have their own sports dream. 他们每个人都拥有自己的体育梦想。(主语 they 复数,谓语 have)
(三)做题四步法
①找出句子真正主语,排除with/together with等干扰短语;
②判断属于三大原则哪一类:语法一致 / 就近一致 / 意义一致;
③确定主语单复数;
④写出谓语动词正确形式。
(四)高频易错提醒
1. a number of +复数名词意为 “许多”,谓语用复数;the number of +复数名词意为 “…… 的数量”,谓语用单数。
2. 金钱、距离、时间作主语,表示一个整体概念,谓语用单数。
例:Ten minutes is enough for the warm‑up. 十分钟热身足够了。
二、专项练习题
Ⅰ 单项选择
( )1. Both kung fu and boxing _____very popular among teenagers.
A. is B. are C. was D. be
( )2. Everybody in our class _____looking forward to the school Sports Day.
A. is B. are C. was D. were
( )3. Either you or your brother _____to join the relay team.
A. have B. has C. having D. had
( )4. Neither the coach nor the players _____satisfied with the match result.
A. is B. are C. was D. be
( )5. My family _____all big fans of volleyball.
A. is B. are C. was D. be
( )6. The Winter Olympics _____held every four years.
A. is B. are C. was D. be
( )7. Tom, as well as his teammates, _____hard for the coming competition.
A. train B. trains C. training D. are training
( )8. Each of the athletes _____his own dream for the game.
A. have B. has C. having D. had
( )9. Neither answer _____right for this sports question.
A. is B. are C. were D. be
( )10. There _____a basketball match and two running races tomorrow.
A. is B. are C. was D. were
( )11. Not only the girls but also the boy _____good at table‑tennis.
A. is B. are C. were D. be
( )12. They each _____a story about their favourite sports star.
A. has B. have C. having D. had
Ⅱ 用括号内动词的适当形式填空
1. Tennis____________(require) strength and skill.
2. Both kung fu and boxing____________(be) popular sports among young people.
3. Neither winning nor losing____________(be) everything in the Olympics.
4. Each athlete____________(have) a unique story.
5. Everyone____________(look) forward to the opening ceremony.
6. Ann as well as Jim____________(be) interested in sport‑climbing.
7. Neither of the two sports____________(sound) easy for me.
8. There____________(be) three different types for sport‑climbing.
9. All of them____________(require) lots of hard training.
10. My family____________(watch) sports games together every weekend.(侧重家庭成员)
Ⅲ 句型改写
1. Both volleyball and basketball are my favourite sports.(改为否定句,用 neither…nor… 改写)
2. Everybody is excited about the coming sports meeting.(改为一般疑问句)
3. Either you or I take part in the game.(修正谓语动词,按照就近原则改写句子)
4. My family is a small family. My family enjoy watching sports.(合并句子)
5. There is a sports meeting and two ball games next week.(改为一般过去时)
Ⅳ 改错,划出错误并改正
1. Neither the team members nor the coach are happy with the score._________________
2. Everyone in the team are trying their best in the match._________________
3. Tom together with his friends play basketball every afternoon._________________
Ⅴ 短文填空( 填动词正确形式)
Sport‑climbing 1.____________(be) one of the newest sports in the Olympic Games. It 2.____________(come) from traditional rock‑climbing. Neither speed climbing nor bouldering 3._________________(be) easy. Both of them require plenty of training.
参考答案
Ⅰ 单项选择
1. B 解析:both…and…连接两个主语,谓语永远用复数。
2. A 解析:everybody不定代词作主语,谓语动词用单数。
3. B 解析:either…or…就近原则,靠近 your brother 是单数,谓语用 has。
4. B 解析:neither…nor…就近原则,靠近 players 复数,谓语 are。
5. B 解析:family 指家庭成员,意义一致,谓语用复数。
6. B 解析:the Olympics奥运会,固定复数含义,谓语用复数。
7. B 解析:as well as真正主语是 Tom,单数,谓语 trains。
8. B 解析:each of +复数名词,主语核心是 each,谓语单数 has。
9. A 解析:neither作主语,谓语动词单数 is。
10. A 解析:there be 就近,靠近 a basketball match 单数,be 动词 is。
11. A 解析:not only…but also…就近,靠近 the boy 单数,is。
12. B 解析:each 此处是同位语,真正主语 they 复数,谓语 have。
Ⅱ 动词适当形式填空
1. requires;解析:tennis 是单数运动项目,三单形式。
2. are;解析:both…and…谓语用复数。
3. is;解析:neither…nor 就近,靠近 losing 单数,用 is。
4. has;解析:each 作主语谓语三单 has。
5. looks;解析:everyone 不定代词,谓语三单 looks。
6. is;解析:as well as 真正主语 Ann 单数,be 动词 is。
7. sounds;解析:neither of + 复数名词,谓语单数 sounds。
8. are;解析:there be 就近,three types 复数,are。
9. require;解析:all 指代人,复数主语,谓语原形 require。
10. watch;解析:family 指家里的成员,谓语复数 watch。
Ⅲ 句型改写
1. Neither volleyball nor basketball is my favourite sport.
解析:both…and 否定替换为 neither…nor,就近靠近 basketball 单数,谓语 is。
2. Is everybody excited about the coming sports meeting?
解析:不定代词 everybody 作主语,be 动词 is 提前变一般疑问句。
3. Either you or I take part in the game.
解析:就近原则,靠近主语 I,谓语动词用原形 take,本句谓语形式正确。
4. My family is small and my family enjoy watching sports games together.
解析:前半句 family 指家庭整体,谓语 is;后半句指家庭成员,谓语 enjoy。
5. There was a sports meeting and two ball games last week.
解析:there be 就近原则,靠近 a sports meeting 单数;next week 改为 last week,be 动词用 was。
Ⅳ 改错
1. are → is;解析:neither…nor 就近,靠近 the coach 单数,谓语用 is。
2. are → is;解析:everyone 不定代词作主语,谓语必须单数 is。
3. play → plays;解析:together with 真正主语 Tom 单数,谓语 plays。
Ⅴ 短文填空
1. is;解析:sport‑climbing 是单数运动名称,be 动词 is。
2. comes;解析:it 指代 sport‑climbing,谓语三单 comes。
3. is;解析:neither…nor 就近,靠近 bouldering 单数,谓语 is。
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