Помогите!!!!!!!!!!!!!!! надо зделать отрицательную форму и вопросительную от придложения: The children have come to a beatiful place. Dan and Alex have already put up a few tents. Some boys have collected the wood. Tom has made...

The children haven't come to a beautiful place. Have children come to a beautiful place? Dan and Alex haven't already put up a few tents. Have Dan and Alex put up a few tents?Some boys haven't collected the wood. Have Some boys collected the wood? Tom hasn't made a fire. Has Tom made a fire?Sue hasn't brought some water from the stream. Has Sue brought some water from the stream?Ann and Jane haven't already begun to cook a meal. Have Ann and Jane already begun to cook a meal?