a/an/the · 可数不可数 · 主谓一致三大原则
I saw a dog.
辅音音素前用 a
She is an honest girl.
⚠ 元音音素:hour/an honest/university
The sun rises in the east.
独一无二/上文提及/双方知道
复数泛指:Dogs are loyal.
三餐/球类/学科:have lunch, play basketball
专有名词:China, Monday
交通方式:by bus, on foot
可数:book → books
不可数:water, advice, information, furniture, equipment, news
⚠ 不可数不加 a/an,没有复数!用 a piece of 等量化
主语单→谓语单
He likes music.
They like music.
The police are coming.
⚠ police/people/cattle 永远复数
Either you or he is wrong.
Neither I nor she likes it.
Not only...but also 同理
The girl together with her friends is here.
Nobody but Tom and Jack was late.
with/along with/together with/but/except→看前面主语
Ten dollars is enough.(金钱→单数)
Two thirds of the water is clean.
Two thirds of the students are happy.
⚠ 分数+of → 看of后的名词