Indicative
Present Indefinite
I climb stairs
you climb stairs
he/she/it climbs stairs
we climb stairs
you climb stairs
they climb stairs
Present Continuous
I am climbing stairs
you are climbing stairs
he/she/it is climbing stairs
we are climbing stairs
you are climbing stairs
they are climbing stairs
Present Perfect
I have climbed stairs
you have climbed stairs
he/she/it has climbed stairs
we have climbed stairs
you have climbed stairs
they have climbed stairs
Present Perfect Continuous
I have been climbing stairs
you have been climbing stairs
he/she/it has been climbing stairs
we have been climbing stairs
you have been climbing stairs
they have been climbing stairs
Past Indefinite
I climbed stairs
you climbed stairs
he/she/it climbed stairs
we climbed stairs
you climbed stairs
they climbed stairs
Past Continuous
I was climbing stairs
you were climbing stairs
he/she/it was climbing stairs
we were climbing stairs
you were climbing stairs
they were climbing stairs
Past Perfect
I had climbed stairs
you had climbed stairs
he/she/it had climbed stairs
we had climbed stairs
you had climbed stairs
they had climbed stairs
Past Perfect Continuous
I had been climbing stairs
you had been climbing stairs
he/she/it had been climbing stairs
we had been climbing stairs
you had been climbing stairs
they had been climbing stairs
Future Indefinite
I will climb stairs
you will climb stairs
he/she/it will climb stairs
we will climb stairs
you will climb stairs
they will climb stairs
Future Continuous
I will be climbing stairs
you will be climbing stairs
he/she/it will be climbing stairs
we will be climbing stairs
you will be climbing stairs
they will be climbing stairs
Future Perfect
I will have climbed stairs
you will have climbed stairs
he/she/it will have climbed stairs
we will have climbed stairs
you will have climbed stairs
they will have climbed stairs
Future Perfect Continuous
I will have been climbing stairs
you will have been climbing stairs
he/she/it will have been climbing stairs
we will have been climbing stairs
you will have been climbing stairs
they will have been climbing stairs
Conditional
Conditional Present
I would climb stairs
you would climb stairs
he/she/it would climb stairs
we would climb stairs
you would climb stairs
they would climb stairs
Conditional Present Continuous
I would be climbing stairs
you would be climbing stairs
he/she/it would be climbing stairs
we would be climbing stairs
you would be climbing stairs
they would be climbing stairs
Conditional Perfect
I would have climbed stairs
you would have climbed stairs
he/she/it would have climbed stairs
we would have climbed stairs
you would have climbed stairs
they would have climbed stairs
Conditional Perfect Continuous
I would have been climbing stairs
you would have been climbing stairs
he/she/it would have been climbing stairs
we would have been climbing stairs
you would have been climbing stairs
they would have been climbing stairs