They are learning English now 疑问句和否定句

问题描述:

They are learning English now 疑问句和否定句
we went to the zoo last week 疑问句和否定句
l am going to London tomorrow是什么时态 疑问句和否定句

疑问句:【Are they learning English now 】否定句;They aren't learning English now .疑问句;Did you go to the zoo last week 否定句:We didn't go to the zoo last week .I am going to London tomorrow.是...