They went to plant trees 改为现在时

They went to plant trees 改为现在时 they went to plant trees last sunday.英语一般疑问句 they went to plant trees last week.(变成一般疑问句) i went to plant trees yesterday改为疑问句 all of ---went to plant trees yesterday.是选they 还是 them 还是the 句型转换习题：1.The students went to plant trees yesterday.(改为一般疑问句 They wanted to plant trees.改为否定句 一般疑问句 并做两种回答 形式填空1.wen went to ＿(plant )trees.2.it was ＿（snow )3.they dug They plant some trees every spring.（改为被动语态） They will plant trees together.(改为一般疑问句) They are going to plant trees.的问句是什么 we began to plant trees at nine 改为否定句