Grammatical tenses

She read the letter yesterda.

Don´t do that!

I did not know she was upset.

Please, turn on the radio.

She always listens to the same song.

Now when she hears a piece of music she likes, she has a better understanding of what’s happening inside her brain.

I won´t travel to Mexico.

They hate heavy metal.

I will be here for you.

He wrote the lyrics of that song.