English verb conjugation CAN UNDERGO

Irregular verb: undergo - underwent - undergone

Affirmation

Simple form

I can undergo
you can undergo
he can undergo
we can undergo
you can undergo
they can undergo

V-ing form

I can be undergoing
you can be undergoing
he can be undergoing
we can be undergoing
you can be undergoing
they can be undergoing

Perfect

I can have undergone
you can have undergone
he can have undergone
we can have undergone
you can have undergone
they can have undergone

V-ing perfect

I can have been undergoing
you can have been undergoing
he can have been undergoing
we can have been undergoing
you can have been undergoing
they can have been undergoing

Negation

Simple form

I cannot undergo
you cannot undergo
he cannot undergo
we cannot undergo
you cannot undergo
they cannot undergo

V-ing form

I cannot be undergoing
you cannot be undergoing
he cannot be undergoing
we cannot be undergoing
you cannot be undergoing
they cannot be undergoing

Perfect

I cannot have undergone
you cannot have undergone
he cannot have undergone
we cannot have undergone
you cannot have undergone
they cannot have undergone

V-ing perfect

I cannot have been undergoing
you cannot have been undergoing
he cannot have been undergoing
we cannot have been undergoing
you cannot have been undergoing
they cannot have been undergoing

Interrogative form

Simple form

can I undergo?
can you undergo?
can he undergo?
can we undergo?
can you undergo?
can they undergo?

V-ing form

can I be undergoing?
can you be undergoing?
can he be undergoing?
can we be undergoing?
can you be undergoing?
can they be undergoing?

Perfect

can I have undergone?
can you have undergone?
can he have undergone?
can we have undergone?
can you have undergone?
can they have undergone?

V-ing perfect

can I have been undergoing?
can you have been undergoing?
can he have been undergoing?
can we have been undergoing?
can you have been undergoing?
can they have been undergoing?

Interro-negative form

Simple form

can I not undergo?
can you not undergo?
can he not undergo?
can we not undergo?
can you not undergo?
can they not undergo?

V-ing form

can I not be undergoing?
can you not be undergoing?
can he not be undergoing?
can we not be undergoing?
can you not be undergoing?
can they not be undergoing?

Perfect

can I not have undergone?
can you not have undergone?
can he not have undergone?
can we not have undergone?
can you not have undergone?
can they not have undergone?

V-ing perfect

can I not have been undergoing?
can you not have been undergoing?
can he not have been undergoing?
can we not have been undergoing?
can you not have been undergoing?
can they not have been undergoing?

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