the police + plural verb
police 是集合名词，作主语时通常接复数动词，如 The police are...；表示“一名警察”不说 a police，而说 a police officer。
The police are investigating the robbery.
警方正在调查这起抢劫案。
警察当局；治安
the police force
警察队伍
the force of policemen and officers
The police are investigating the theft at the shop.
警方正在调查商店里的盗窃案。
用法提示：police 作名词，指警察队伍，句中与复数动词搭配。
She called the police when she heard a strange noise.
她听到奇怪的声音后报了警。
用法提示：police 作名词，指警察机构/队伍，作 called 的宾语。
The police have released a statement about the accident.
警方就这起事故发布了一份声明。
用法提示：police 作名词，集合名词，与 have 搭配。
police 是集合名词，作主语时通常接复数动词，如 The police are...；表示“一名警察”不说 a police，而说 a police officer。
The police are investigating the robbery.
警方正在调查这起抢劫案。
指“报警、叫警察”时常用 call the police，也可说 contact the police；the 不能省略。
We called the police immediately after the accident.
事故发生后我们立刻报了警。
police 可作定语直接放在另一名词前，表示“警察的、警方的”，如 police car、police station、police officer。
A police car was parked outside the station.
一辆警车停在车站外面。
grammar · medium
易错句子A police helped me find my way.
正确表达A police officer helped me find my way.
police 是集体名词，指“警察队伍”这个整体，不能与 a/an 连用表示单个警察。要指一名警察，须说 a police officer（或 a policeman），所以这里要补上 officer。
grammar · medium
易错句子The police is investigating the robbery.
正确表达The police are investigating the robbery.
police 形式上是单数，但作主语时按复数看待，谓语动词要用 are、were 等复数形式。用 is 是把 police 误当成单数可数名词了。
grammar · medium
易错句子The polices caught the thief.
正确表达The police caught the thief.
police 是以 -s 结尾的集体名词，复数形式仍旧是 police，英语中没有 polices 这种拼写。要表示“多名警察”，可以说 the police 或用 police officers。
报警；打电话叫警察
She called the police as soon as she heard the noise.
她一听到响声就报了警。
警察；警官
A police officer stopped us at the corner.
一名警察在街角拦住了我们。
警察局；派出所
He went to the police station to report the theft.
他去警察局报了这起盗窃案。
警察部队；警力
The city's police force has grown in recent years.
该市的警力近年来有所扩充。
向警方报案
You should report the accident to the police right away.
你应该马上向警方报告这起事故。
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警车
A police car was parked outside the building.
一辆警车停在楼外。