All of us went to see the film because we had money to buy tickets yesterday.
All the students can answer this question.
all 加名词词组,all of 后跟代词或名词词组
Do you all come from America.
Are you all from America.
all用在be动词、助动词、情态动词之后,实义动词之前.all come from American里的all是形容词？all是代词