Question

1.I am后面要加a或an吗?

Answer 1

1 看a或an后面的单词音标开头是不是元音音素

2是复数的不用加

3has适用于单三人称,have出单三人称外都可以用

4动词过去式用在过去时态中

5 There are some apples on the table.

There is a boy on the road