Indicative
Present Indefinite
I undergo
you undergo
he/she/it undergoes
we undergo
you undergo
they undergo
Present Continuous
I am undergoing
you are undergoing
he/she/it is undergoing
we are undergoing
you are undergoing
they are undergoing
Present Perfect
I have undergone
you have undergone
he/she/it has undergone
we have undergone
you have undergone
they have undergone
Present Perfect Continuous
I have been undergoing
you have been undergoing
he/she/it has been undergoing
we have been undergoing
you have been undergoing
they have been undergoing
Past Indefinite
I underwent
you underwent
he/she/it underwent
we underwent
you underwent
they underwent
Past Continuous
I was undergoing
you were undergoing
he/she/it was undergoing
we were undergoing
you were undergoing
they were undergoing
Past Perfect
I had undergone
you had undergone
he/she/it had undergone
we had undergone
you had undergone
they had undergone
Past Perfect Continuous
I had been undergoing
you had been undergoing
he/she/it had been undergoing
we had been undergoing
you had been undergoing
they had been undergoing
Future Indefinite
I will undergo
you will undergo
he/she/it will undergo
we will undergo
you will undergo
they will undergo
Future Continuous
I will be undergoing
you will be undergoing
he/she/it will be undergoing
we will be undergoing
you will be undergoing
they will be undergoing
Future Perfect
I will have undergone
you will have undergone
he/she/it will have undergone
we will have undergone
you will have undergone
they will have undergone
Future Perfect Continuous
I will have been undergoing
you will have been undergoing
he/she/it will have been undergoing
we will have been undergoing
you will have been undergoing
they will have been undergoing
Conditional
Conditional Present
I would undergo
you would undergo
he/she/it would undergo
we would undergo
you would undergo
they would undergo
Conditional Present Continuous
I would be undergoing
you would be undergoing
he/she/it would be undergoing
we would be undergoing
you would be undergoing
they would be undergoing
Conditional Perfect
I would have undergone
you would have undergone
he/she/it would have undergone
we would have undergone
you would have undergone
they would have undergone
Conditional Perfect Continuous
I would have been undergoing
you would have been undergoing
he/she/it would have been undergoing
we would have been undergoing
you would have been undergoing
they would have been undergoing