英语中is和are过去式的写法和运用

嗯·这是今天晚上的作业·由于几天上课没听，忘了是什么意思了~麻烦各位帮帮忙~我还有三十分钟就要睡觉了~及20：30分

嗯，这是老师布置的作业，会的也帮帮忙做把

~··········

中译英，饭后改为过去式（用反义词）

1.这信封现在是湿的

2.我的鞋现在是干净的

3.他的房间现在是整洁的

4.天气是暖和的

各位拜托了哦

is 过去式是 was, are 的过去式是were.

1,This letter is wet now. This letter was dry .

2,My shoes are clean now. My shoes were dirty.

3. His room is clean and tidy now. His roon was mass .

4,The weather is warm . The weather was so cold.