He is taking a shower
He was taking a shower

We walk every day
We walked every day

I am learning japanese
I was learning japanese

They have dance classes only in the morning.
They had dance classes only in the morning.

It is easy
It was difficult
I drink soda now.
I drank soda last week.

I eat meat every other day.
I ate meat last year.

I read my magazine every week.
I read my magazine two hours ago.

I write a book this month.
I wrote a book last month.

You study English every day.
You studied English one year ago.

Espero ter ajudado! Eu entendi que era pra fazer isso.