Indicative
Present Indefinite
I bubble
you bubble
he/she/it bubbles
we bubble
you bubble
they bubble
Present Continuous
I am bubbling
you are bubbling
he/she/it is bubbling
we are bubbling
you are bubbling
they are bubbling
Present Perfect
I have bubbled
you have bubbled
he/she/it has bubbled
we have bubbled
you have bubbled
they have bubbled
Present Perfect Continuous
I have been bubbling
you have been bubbling
he/she/it has been bubbling
we have been bubbling
you have been bubbling
they have been bubbling
Past Indefinite
I bubbled
you bubbled
he/she/it bubbled
we bubbled
you bubbled
they bubbled
Past Continuous
I was bubbling
you were bubbling
he/she/it was bubbling
we were bubbling
you were bubbling
they were bubbling
Past Perfect
I had bubbled
you had bubbled
he/she/it had bubbled
we had bubbled
you had bubbled
they had bubbled
Past Perfect Continuous
I had been bubbling
you had been bubbling
he/she/it had been bubbling
we had been bubbling
you had been bubbling
they had been bubbling
Future Indefinite
I will bubble
you will bubble
he/she/it will bubble
we will bubble
you will bubble
they will bubble
Future Continuous
I will be bubbling
you will be bubbling
he/she/it will be bubbling
we will be bubbling
you will be bubbling
they will be bubbling
Future Perfect
I will have bubbled
you will have bubbled
he/she/it will have bubbled
we will have bubbled
you will have bubbled
they will have bubbled
Future Perfect Continuous
I will have been bubbling
you will have been bubbling
he/she/it will have been bubbling
we will have been bubbling
you will have been bubbling
they will have been bubbling
Conditional
Conditional Present
I would bubble
you would bubble
he/she/it would bubble
we would bubble
you would bubble
they would bubble
Conditional Present Continuous
I would be bubbling
you would be bubbling
he/she/it would be bubbling
we would be bubbling
you would be bubbling
they would be bubbling
Conditional Perfect
I would have bubbled
you would have bubbled
he/she/it would have bubbled
we would have bubbled
you would have bubbled
they would have bubbled
Conditional Perfect Continuous
I would have been bubbling
you would have been bubbling
he/she/it would have been bubbling
we would have been bubbling
you would have been bubbling
they would have been bubbling