Indicative
Present Indefinite
I tumble
you tumble
he/she/it tumbles
we tumble
you tumble
they tumble
Present Continuous
I am tumbling
you are tumbling
he/she/it is tumbling
we are tumbling
you are tumbling
they are tumbling
Present Perfect
I have tumbled
you have tumbled
he/she/it has tumbled
we have tumbled
you have tumbled
they have tumbled
Present Perfect Continuous
I have been tumbling
you have been tumbling
he/she/it has been tumbling
we have been tumbling
you have been tumbling
they have been tumbling
Past Indefinite
I tumbled
you tumbled
he/she/it tumbled
we tumbled
you tumbled
they tumbled
Past Continuous
I was tumbling
you were tumbling
he/she/it was tumbling
we were tumbling
you were tumbling
they were tumbling
Past Perfect
I had tumbled
you had tumbled
he/she/it had tumbled
we had tumbled
you had tumbled
they had tumbled
Past Perfect Continuous
I had been tumbling
you had been tumbling
he/she/it had been tumbling
we had been tumbling
you had been tumbling
they had been tumbling
Future Indefinite
I will tumble
you will tumble
he/she/it will tumble
we will tumble
you will tumble
they will tumble
Future Continuous
I will be tumbling
you will be tumbling
he/she/it will be tumbling
we will be tumbling
you will be tumbling
they will be tumbling
Future Perfect
I will have tumbled
you will have tumbled
he/she/it will have tumbled
we will have tumbled
you will have tumbled
they will have tumbled
Future Perfect Continuous
I will have been tumbling
you will have been tumbling
he/she/it will have been tumbling
we will have been tumbling
you will have been tumbling
they will have been tumbling
Conditional
Conditional Present
I would tumble
you would tumble
he/she/it would tumble
we would tumble
you would tumble
they would tumble
Conditional Present Continuous
I would be tumbling
you would be tumbling
he/she/it would be tumbling
we would be tumbling
you would be tumbling
they would be tumbling
Conditional Perfect
I would have tumbled
you would have tumbled
he/she/it would have tumbled
we would have tumbled
you would have tumbled
they would have tumbled
Conditional Perfect Continuous
I would have been tumbling
you would have been tumbling
he/she/it would have been tumbling
we would have been tumbling
you would have been tumbling
they would have been tumbling