Make sentences in the present perfect affirmative or negative, using these past participles. done, lost, stopped, arrived, built, put, made, changed my watch has stopped. it needs a new battery. i can't find my mobile.i think i it. this ins't right. a mistake. i can't go to bed.i my homework. martin and lizzie are here but look! they a little house in the tree. helen the colour of her hair. she looks completely different. you the butter in the fridge.look! it's , melting
