all 的位置通常是放在系动词,助动词,情态动词后,实义动词前。如果句中同时有上述词时,要把all放在助动词和情态动词后,be动词和实意动词前。
例句:
They will all be angry.
They can all be students
The text is all in lower case.
正文一律用小写字体。
They are all expert in this field.
他们都是这个领域的行家。