i planted trees yesterday
否定 didn‘t plant
疑问句 did you plant trees yesterday?树上有一些鸟正在唱歌，用英语怎么说?把这个句子用否定句、疑问句和陈述句分别回答！Thank you!!!!!!!!!there are some birds singing in the tree疑问 are there any birds singing in the tree?yes,there are. no,there aren't否定 there aren't any birds singing in the tree昨天他的棒球在桌子底下，用英语怎么说?把这个句子用否定句、疑问句和陈述句分别回答！Thank you!!!!!!!!!（这是最后一个了，加油！）