| 单词 | 适用范围 | 含义 | 词性 | 谓语动词 |
| each | 两者或两者以上 | 强调各自 | adj., pron. | 单数形式 |
| every | 三者或三者以上 | 强调整体 | adj. | 单数形式 |
| all | 三者或三者以上 | 强调整体 | adj., pron. | 单数或复数 |
1. There are trees on each side of the road.（不可用every或all替换）
2. Each student in the class has an English name.（每个人，一个人有一个英文名字）
Every student in the class has an English name.（每个人都有，没有一个例外）
3. All the students in the class unite as one.班上所有的同学团结一致。
a.形容词each作主语时，谓语动词用单数。例如
Each student has his own desk.
b.代词each作主语时，谓语动词用单数。例如
Each of the books here is interesting.
c.代词each作同位语时，谓语动词用复数。例如
The students each are working hard at English.
这两个词都表示“每个”。
every只用作形容词，修饰单数名词，后接单数动词，可与not连用，但表示部分否定。
Every dog has his day.凡人皆有得意日。
Not every man can do it.并非每个人都能做这个事情。
each既可作形容词，也可作代词，指两个人或事物中的“每个”，强调个体。作形容词时，用法同every。作代词时，单独使用时，接单数动词；作为复数名词或代词的同位语时，接复数动词；和of连用时，后接单数动词。
He went to see her each afternoon.
Two boys entered. Each was carrying a suitcase.
They each had a bedroom. There was a common sitting-room.
Each of the boys had done his work.
a.all指人，谓语动词用复数。例如
All are here.人都到齐了。
b.all指物，谓语动词用单数。例如
All is in good order.
c.形容词all修饰可数名词，谓语动词用复数。例如
All the students have gone home.所有学生都回家了。
d.形容词all修饰不可数名词，谓语动词用单数。例如
All the money is spent on clothes.所有的钱都买衣服了。
