Go and open the old box on the sofa改为否定祈使句

open,oval,the,on,box,go,sofa,and,the(连词成句） The baseball is on the sofa（改为否定句） The baseballs are on the sofa.(改为否定句) They are on the sofa改为否定句 He sat on the sofa yesterday afternoon 改为否定句 father is watching TV on the sofa.(改为否定句) David,you can go and clean the blackboard now.改为否定祈使句 they can't go to the party改为否定祈使句 1.Go to the museum now.(改为否定祈使句) Theg're on the sofa.改为否定句 It's under the tablr.改为复数形式 You can sit on the chair.(改为否定祈使句) Tom is sitting on the desk改为否定祈使句