1 She will prepare a Christmas pudding tomorrow.2 The  help their mother to prepare adessert.3 we opened our present after party.4 A jolly man is wearing a red hat a red short coat and black boots. перетворити в заперечення 
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1 She will not (won`t) prepare a Christmas pudding tomorrow.2 They do not  (don`t) help their mother to prepare a dessert.3 We did not (didn`t) open our present after party.4 A jolly man is not (isn`t) wearing a red hat,a red short coat and black boots.