the children may have been playing in the garden.哪个是助动词 修饰语

we would have been in time for the game里面would和have哪个是助动词? Children usually like playing in the garden in the afternoon The happy _____ of children playing in the garden disappears While the children were playing in the garden,their mother__ Children are playing _____(幸福地)in the garden. the children have fun playing in water ( ) great fun the children have playing in the park! The children are (playing in the garden) 括号提问 My cousin has They have been working in the garden all afternoon.(现在是下午还是过 children are playing in the garden,whose parent sitting on t I have rarely seen a more interrsting film.哪个是助动词 修饰语 实义动词 , 关于助动词be的问题The children are playing in the field.这句里面的be动词are