Be的适当形式是什么

"Be" 是英语中动词 "be" 的原形。根据不同的语法用法和主语，"be" 有以下几种适当形式：

1. 现在时：

am (我)

is (他/她/它)

are (我们/你们)

2. 过去时：

was (我)

were (我们/你们)

3. 现在完成时：

have been (我/我们/你们)

has been (他/她/它/你)

4. 过去完成时：

had been (我/我们/你们)

had been (他/她/它/你)

5. 将来时：

will be (我/我们/你们)

will be (他/她/它/你)

6. 简单将来时：

shall be (主要用于第一人称单数)

will be (其他人称)

7. 现在进行时：

am being (我)

is being (他/她/它)

are being (我们/你们)

8. 过去进行时：

was being (我)

were being (我们/你们)

9. 现在完成进行时：

have been being (我/我们/你们)

has been being (他/她/它/你)

10. 过去完成进行时：

had been being (我/我们/你们)

had been being (他/她/它/你)

根据上下文和时态，选择合适的 "be" 形式。