they bought a new bike the day before yesterday.一般疑问句

they bought a new bike the day before yesterday.一般疑问句 The boy bought a new bike.改一般疑问句 I bought a new bike yesterday.(改为否定句和一般疑问句) "They bought a new bike yesterday."对"They"提问. They bought a bottle of milk at the store yesterday(改为一般疑问句) i bought()the day before yesterday 对画线部分提问 1.they bought a new bike yesterday 画线部分a n they bought a new bike yesterday对划线的句子提问 who bought a new bike yesterday?疑问句中动词不是用原型嘛?为什么这里用bought而不是 tim"s father bought him a new bike.该为一般疑问句 英语高手进June bought a watch the day before yesterday.(改为否定句). Mum bought Dad a jacket the day before yesterday.(保持原意)