'I am' is the first person singular of the present tense of the verb 'to be'.

I am是动词to be现在时的第一人称单数。

Use active voice, present tense.

使用正面的语气，现在时态。

Write in the present tense.

用现在时写作。

Here we should use the Present Tense.

这里我们用到了一般现在时。

It's present tense and past tense too.

它是现在时也是过去时。