both 跟both of的问题

both

a.
1. 两...(都),两个...(都)
Both his eyes were severely burned.
他的双眼都严重烧伤了。
pron.
1. 两者(都);两个(都);双方(都)
Why not buy both?
为什么不把两件都买下?
ad.
1. 并;又;两者皆
We like Amy and Phil both.
艾米和菲尔两个我们都喜欢。
conj.
1. 既...且...;...和...都
The prospects both excited and worried me.
这前景既使我激动又令我忧虑。

both of 后接名词或者代词,但是名词前必须有限定词the 等
谓语动词用复数
both of us like the film
Both of the students go to school on foot.
那么你这里是有语法错误的，应该把of去掉

观察例句好搞懂！！

1. We can both run equally fast.
我们两个跑得一样快。

2. But they cannot overcome both.

3. Lisa: Oh, no. We both want it.
莉莎：噢，真糟糕。我们都想喝

1. Both of them can speak French .
他们俩都会说法语。

2. Both of them are from Russia.
他们俩都来自俄罗斯。

3. Both of his parents are doctors.
他的父母都是医生。

both of 后面跟两者合成的一个词，如them, parents...
而both后面要跟两者分开的两个词，如you and I,

both后可直接跟名词，所以 a对