主謂一致

　　1、主語是抽象概念短語或從句作主語時，謂語用單數(shù)形式。

　　Collecting stamps is my favorite hobby.(動名詞短語作主語)

　　That we have made such progress is a fact.(從句作主語)

　　2、what或which引導的主語從句的句子，謂語動詞或系動詞與表語的數(shù)一致。

　　What I want is a new bicycle. Which are your pictures?

　　3、兩個以上的主語用and或both連接時，謂語用復數(shù)形式。例如：

　　Both Tom and Dick are good friends.

　　4、and所連接的兩個詞如指同一主體時，謂語則用單數(shù)形式。例如：

　　A singer and dancer was present at the party today.

　　A singer and a dancer were present at the party today.

　　5、集體名詞作為整體意義時，謂語用單數(shù)形式，若指成員意義時，謂語則用復數(shù)形式。例如：

　　My family is a big one. My family are watching TV now.

　　6、主語是單數(shù)后面跟有as well as, with, together, like, but, except等短語時，謂語動詞仍用單數(shù)形式。

　　(1)Kelly as well as the other students has learned how to type.

　　(2)Our school, with some few schools, was built in the 1960s.

　　7、兩個主語由not only…but also, either…or, neither…nor相連接時，在肯定句中謂語變化取決于后者，在疑問句中取決于前者，例如：

　　Not only my parents but also my teacher has been to the party.

　　Either he or I am to go there.

　　Neither the students nor the teacher likes the film.

　　1、 people, police, cattle(牛群), militia(民兵)作主語時，謂語用復數(shù)形式。例如：

　　The police are still running after the murderer.

　　The cattle are grazing(放牧) in the fields.

　　2、 half of+單數(shù)名詞時，謂語用單數(shù)形式;half of+復數(shù)名詞時，謂語用復數(shù)形式。例如：

　　Half of the apple is rotten. Half of the apples are rotten.

　　10、書名、國名等名詞作主語時，謂語用單數(shù)

　　Hamlet was written by Shakespear.

　　The United States is a large country.