第 82 课: 第一人称；现在时-4

I am standing on the sidewalk. 我站在人行道上

I am not standing on the sidewalk anymore. 我现在不在人行道上站着了

We are carrying umbrellas. 我们都打着伞

None of us are standing. 我们全都没站着

All four of us are walking. 我们四个人都在走

There are four of us. None of us is walking. 我们共有四个人，谁都没有走

All three of us are walking. 我们三个人都在走

There are three of us. None of us is walking. 我们共有三个人，谁都没有走