17、集合名词如:people, police ,cattle等作主语,谓语动词用复数形式。如:
" u: N( m* ~5 K$ V1)The police are searching for him.
& W" d, D5 P$ b3 a2)The cattle are grassing (吃草)。3 U7 B' e4 O" p5 p4 r! r
18、population当人口讲时,谓语动词用单数形式;当人们讲时,谓语动词用复数。如:
# E6 i% A J4 A/ Q1)The population of China is larger than that of Japan.
( _% f1 ?1 j$ U. J2)One third of the population here are workers.
! `0 Y* I) ^( s* F1 Q19、the number of + 名词复数,是表示“…的数字”,作主语时,谓语动词用单数形式;a (large / great) number of + 名词复数,表示许多,作主语时;谓语动词用复数形式。
0 Q. h% ~- `) |+ z" u1)The number of the students in our school is increasing year after year./ C! i- ] a- g
2)A number of students have gone for an outing.1 d; ^) ?2 {) d4 J
20、means, politics, physics, plastics等作主语时,谓语动词用单数形式。 |