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Subject-Verb Agreement
主谓一致
Subjects (who or what the sentence is about) and verbs (the action or state of being) must agree.
主语(一句话的中心人或事)和动词(动作或状态)必须保持一致。
Singular subjects must have a singular verb.
单数主语必须跟动词单数。
Plural subjects must have a plural verb.
复数主语必须跟动词复数。
Examples of Subject-Verb Agreement:
主谓一致的例子：
If a compound subject is joined by "or" or "nor," look at the subject closest to the verb and make the verb agree with that part of the subject.
如果一个符合主语通过"or"或"nor" 连接，要看离动词最近的主语，动词的单复数要与这个主语保持一致。
特殊情况：
1) These indefinite pronouns are always singular and should be paired with a singular verb: any, anything, each, either, neither, everyone, everybody, everything, someone, somebody, something, anyone, anybody, no one, nobody, nothing, one.
1)这些不定代词通常是单数，应与动词单数连用：any, anything, each, either, neither, everyone, everybody, everything, someone, somebody, something, anyone, anybody, no one, nobody, nothing, one。
2) These indefinite pronouns are always plural and should be paired with a plural verb: few, many
2)这些不定代词通常是复数，应与动词复数连用：few, many
3) For some indefinite pronouns (some, all, none) it depends on the item that the pronoun refers to.
3)对于一些不定代词(some, all, none)，动词的单复数取决于其指代的事物。
4) Notice that some subjects may appear to be plural but are singular because they refer to one thing or a single amount of something (examples: mathematics, mumps, news)
4)一些主语以复数形式出现，但实际是单数，因为指代的是一件事情或某些事物的数量(如mathematics, mumps, news)
5) Some subjects refer to one thing, but take a plural verbs (examples: scissors, pants)
5)一些复数主语指代的是一个东西，动词用复数(如：scissors, pants)
Examples of correct subject-verb agreement:
主谓一致的正确例子：
1) He runs four miles every day. (singular subject; singular verb)
1)他每天跑4英里。(单数主语，单数动词)
2) They ride the school bus in the afternoon. (plural subject; plural verb)
2)他们下午乘坐校车。(复数主语，复数动词)
3) Few of the children are here today. (plural)
3)今天只有几个孩子在这。(复数)
4) Some of the money is missing. (singular-money is singular)
4)一些钱丢了。(单数-money是单数)
5) None of the marbles have rolled out of the circle. (plural-marbles is plural)
5)弹珠都没滚出这个圈。(复数-marbles是复数)
6) One of the nails is sticking out. (one is singular)
6)一个指甲长长了。(one是单数)
7) The scissors are on the table. (plural)
7)剪刀在桌上。(复数)
8) Katie or three girls walk to the office. (girls is closer, so verb is plural)
8)Katie或三个女孩步行上班。(离动词最近的主语是girls，因此动词用复数)
9) Is mumps caused by a virus? (singular)
9)腮腺炎是由病毒引起的吗?(单数)
10) Neither the tray nor the cupswere put away. (cups is closer, so verb is plural)
10)盘子和杯子都没放好。(离动词最近的主语是cups，因此动词用复数)