Did you swim in the river yesterday evening?改为否定疑问句

Did you swim in the river yesterday evening?改为否定疑问句 They can swim in the river.(改为否定句） I can swim in the river 改为一般疑问句 He used to swim in the river改为一般疑问句 Can you swim in the river?(写出否定回答) you can swim in the river 反义疑问句? you can swim in the river.【改为祈使句】 Ann did her homework yesterday evening改为否定句和一般疑问句 句式转换：1.Swim in the river,please.（改为否定句） 2.The children are （ You can't swim in the lake.改为否定祈使句. she did her homework yesterday evening (改为否定句） I did my homework yesterday evening.改为否定句