What tense is it?

I work eight hours every day.

• Simple present

• Simple past

She prefers to read a book.

• Simple past

• Simple present

We stayed at home for the weekend.

• Simple past

• Simple present

You tried to change, but you failed.

• Simple past

• Simple present

They are going to leave the country next month.

• Simple present

• Future with "be going to"

• Present continuous

• Simple past

-What are you doing? -I'm having lunch, why?

• Simple present

• Simple past

• Future with "be going to"

• Present continuous

He loves that song, so he sings it non-stop.

• Simple past

• Simple present

• Present continuous

I received your gift yesterday. I loved it!

• Simple present

• Simple past

• Present continuous

I put my phone on my desk last night.

• Simple present

• Simple past

Three years ago I hurt my knee and I wasn't able to walk the same way.

• Simple present

• Simple past