内容正文:
第5节 主谓一致
1.语法填空。
根据下面短文内容和提示,在短文的空格处填上一个语法最恰当的词,使短文完整、通顺。
Mary Green ① a middle school student. One day, Mary and her mother ② at home. They found a hole in the carpet. So they decided to buy a new one. The Greens ③ shopping now. It’s a nice day, so a lot of people ④ shopping happily. They see some junk. A number of goods here ⑤ old but nice. Suddenly, Mary finds an old carpet. Everyone except Mary and her sister thinks it’s old and a little dirty. But 3 dollars ⑥ too much.
So her mother takes it. When they arrive home, to clean the carpet ⑦ the first thing. After that, the carpet is clean and beautiful. Not only Mary but also Mary’s family ⑧ happy. Mary and her sister are reading on the carpet. All of a sudden, the magic carpet ⑨ to glow.
① is ② were ③ are
④ are ⑤ are ⑥ isn’t
⑦ is ⑧ feel/are ⑨ begins
2.知识回顾。
短文中,画横线的部分都在句中充当 主语 ,所填写的单词在句中充当
谓语 。它们都在 人称 和 数 上保持一致,这就叫作主谓一致。主谓一致主要包括语法一致、意义一致和就近一致原则。
考点1 语法一致
(一)含义
语法一致原则是指句子主语和谓语在语法形式上必须保持一致,也就是主语是单数形式,谓语动词就用单数形式;主语是复数形式,谓语动词就用复数形式。
如:Mary is a middle school student. One day, Mary and her mother were at home.
玛丽是一个中学生。一天,玛丽和她的妈妈在家。
(二)谓语动词为单数形式的几种情况
1.当主语是不可数名词、可数名词单数和单数代词时
如:Water is important.水很重要。
An apple a day keeps (keep)the doctor away.一天一苹果,医生远离我。
2.当主语是动词不定式、动名词或从句时
如:To clean the carpet is (be)the first thing we must do.
清理地毯是我们必须做的第一件事。
3.当主语是something, someone, everything, everyone, nothing, each, anybody, either, neither, each等不定代词时
如:Everything is (be)fine.一切都很好。
4.当主语是one of/the number of+名词复数时
如:The number of the students in the school is 500.
这所学校的学生数量是500。
One of the windows is (be)broken.
有一扇窗户坏了。
5.当and连接的并列主语表示同一人或事物(and后的主语前无冠词)时
如:The head teacher and professor is (be)coming.这个校长兼教授就要来了。
(三)谓语动词为复数形式的几种情况
1.当主语是可数名词复数时
如:Three persons are (be)singing in the music room.
三个人正在音乐教室唱歌。
2.当主语是a number of+复数名词时
如:A number of students like (like)playing football after school.
许多学生喜欢放学后踢足球。
3.当主语由and或both…and…连接时
如:Both Cindy and Lucy are (be)