Answers run

I run fast

I am running fast

I have run fast

I have been running fast



I ran fast

I was running fast

I had run fast

I had been running fast


I will run fast

I will be running fast

I will have run fast

I will have been running fast

Answers do

I do work

I am doing work

I have done work

I have been doing work



I did work

I was doing work

I had done work

I had been doing work



I will do work

I will be doing work

I will have done work

I will have been doing work