1.l have already had dinner(改为否定句)(含缩略形式)( )dinner( ).

1.l have already had dinner(改为否定句)(含缩略形式)( )dinner( ). They had dinner ateight last night.改为否定句 Carol had some hamburgers for dinner改为否定句 Let's have dinner.（改为否定句） Have a shower before dinner.改为否定句 Have you had dinner?的回答.缩略,和,完整 I have already had breakfast.怎么改为否定句? i have already had some plans 改为否定句 I have already had lunch.改为否定句. I have already had dinner.这句话对吗? I have already had dinner.这句话对吗 1.David eats rive for dinner.（改为否定句）