Here is an example of English verb tenses using the same sentence but changing the verb tense. What do you do every day?

Simple Present I feed my fish every day

What did you do yesterday? Simple Past

I fed my fish yesterday

What will you do tomorrow? Simple Future

I will feed my fish tomorrow

What are you doing right now? Present Continuous

I am feeding my fish right now

What were you doing at this time yesterday? Past Continuous

I was feeding my fish at this time yesterday

What will you be doing at this time tomorrow? Future Continuous

I will be feeding my fish at this time tomorrow

What have you done since you got up this morning? Present Perfect

I have fed my fish since I got up this morning

What had you done before you went to bed last night? Past Perfect

I had fed my fish before I went to bed last night

What will you have done before you go to bed tonight? Future Perfect

I will have fed my fish before I go to bed tonight

What are you doing? Present Continuous

I am feeding my fish

How long have you been doing that? Present Perfect Continuous I have been feeding my fish for five minutes

What were you doing before you started this quiz? Past Continous

I was feeding my fish before I started this quiz

How long had you been doing that? Past Perfect Continous I had been feeding my fish for five minutes before I started this quiz

What will you be doing before you take this quiz tomorrow? Future Continuous

I will be feeding my fish before I take this quiz tomorrow

How long will you have been doing that? Future Perfect

Continuous I will have been feeding my fish for five minutes before I take this quiz tomorrow