both 是放在be动词前面还是后面?那all呢,是放在be动词前面还是后面.

问题描述:

both 是放在be动词前面还是后面?那all呢,是放在be动词前面还是后面.

both,all,each 当同位语时,都是放在be动词后,实义动词前,第一个助动词后.如:They both went to the country .They are both workers .They must both have got home by now .