Indicative
Present Indefinite
I take stairs
you take stairs
he/she/it takes stairs
we take stairs
you take stairs
they take stairs
Present Continuous
I am taking stairs
you are taking stairs
he/she/it is taking stairs
we are taking stairs
you are taking stairs
they are taking stairs
Present Perfect
I have taken stairs
you have taken stairs
he/she/it has taken stairs
we have taken stairs
you have taken stairs
they have taken stairs
Present Perfect Continuous
I have been taking stairs
you have been taking stairs
he/she/it has been taking stairs
we have been taking stairs
you have been taking stairs
they have been taking stairs
Past Indefinite
I took stairs
you took stairs
he/she/it took stairs
we took stairs
you took stairs
they took stairs
Past Continuous
I was taking stairs
you were taking stairs
he/she/it was taking stairs
we were taking stairs
you were taking stairs
they were taking stairs
Past Perfect
I had taken stairs
you had taken stairs
he/she/it had taken stairs
we had taken stairs
you had taken stairs
they had taken stairs
Past Perfect Continuous
I had been taking stairs
you had been taking stairs
he/she/it had been taking stairs
we had been taking stairs
you had been taking stairs
they had been taking stairs
Future Indefinite
I will take stairs
you will take stairs
he/she/it will take stairs
we will take stairs
you will take stairs
they will take stairs
Future Continuous
I will be taking stairs
you will be taking stairs
he/she/it will be taking stairs
we will be taking stairs
you will be taking stairs
they will be taking stairs
Future Perfect
I will have taken stairs
you will have taken stairs
he/she/it will have taken stairs
we will have taken stairs
you will have taken stairs
they will have taken stairs
Future Perfect Continuous
I will have been taking stairs
you will have been taking stairs
he/she/it will have been taking stairs
we will have been taking stairs
you will have been taking stairs
they will have been taking stairs
Conditional
Conditional Present
I would take stairs
you would take stairs
he/she/it would take stairs
we would take stairs
you would take stairs
they would take stairs
Conditional Present Continuous
I would be taking stairs
you would be taking stairs
he/she/it would be taking stairs
we would be taking stairs
you would be taking stairs
they would be taking stairs
Conditional Perfect
I would have taken stairs
you would have taken stairs
he/she/it would have taken stairs
we would have taken stairs
you would have taken stairs
they would have taken stairs
Conditional Perfect Continuous
I would have been taking stairs
you would have been taking stairs
he/she/it would have been taking stairs
we would have been taking stairs
you would have been taking stairs
they would have been taking stairs