all的用法
1 all 作形容词用时,表示“全部,所有”,后面可以跟复数名词或不可数名词,表示泛指。
All hope is gone. 全部希望都破灭了。
All plants need water. 所有的植物都需要水。
All things are difficult at the beginning. 万事开头难。
2 all 所修饰的名词前有定冠词、形容词性物主代词、these或those时,表示特指, all 必须放在这些限定词的前面。
All the students here are in Class 1. 这里所有的学生都在1班。
All her homework has been done. 她所有的作业都做完了。
All these cars are made in Shanghai. (正)所有这些汽车都是上海造的 。
These all cars are made in Shanghai. (误)
3 all 在句中要放在be动词、助动词和情态动词后面,但要放在行为动词前面。
They are all my friends. 他们都是我的朋友。
We can all climb up the tree. 我们都能爬上那棵树。
The students have all read the book. 学生们都读过这本书。
They all love the teacher. 他们都喜爱那位老师。
4 all 同人称代词宾格连用时,要放在后面,要说成us all, them all,不能说成all us, all them;all 同人称代词主格连用时,要说成we all, they all,不能说成all we。
We all had a good time. (正)我们都玩得很愉快 。
All we had a good time. (误)
5 all of 后跟宾格人称代词,或者跟带the, these, those等限定词的复数名词,但不能跟不带限定词的复数名词。
All of the students are fond of the film. (正)所有的学生都喜欢这部电影 。
All the students are fond of the film. (正)
The students are all fond of the film. (正)
All of students are fond of the film. (误)