English verb conjugation CAN UNDERGO

Irregular verb: undergo - underwent - undergone

Affirmation

Simple form

I can undergo
you can undergo
she can undergo
we can undergo
you can undergo
they can undergo

V-ing form

I can be undergoing
you can be undergoing
she can be undergoing
we can be undergoing
you can be undergoing
they can be undergoing

Perfect

I can have undergone
you can have undergone
she 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
she 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
she cannot undergo
we cannot undergo
you cannot undergo
they cannot undergo

V-ing form

I cannot be undergoing
you cannot be undergoing
she cannot be undergoing
we cannot be undergoing
you cannot be undergoing
they cannot be undergoing

Perfect

I cannot have undergone
you cannot have undergone
she 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
she 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 she undergo?
can we undergo?
can you undergo?
can they undergo?

V-ing form

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

Perfect

can I have undergone?
can you have undergone?
can she 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 she 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 she 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 she 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 she 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 she 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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