Conjugate verb "undergo" in English
Conjugation of the verb undergo[ˌʌndəˈɡəu],
irregular 
Indicative
Present Indefinite
Present Continuous
Present Perfect
Present Perfect Continuous
Past Indefinite
Past Continuous
Past Perfect
Past Perfect Continuous
Future Indefinite
Future Continuous
Future Perfect
Future Perfect Continuous
Indicative
Present Indefinite
I don't undergoyou don't undergo
he/she/it doesn't undergo
we don't undergo
you don't undergo
they don't undergo
Present Continuous
I am not undergoingyou aren't undergoing
he/she/it isn't undergoing
we aren't undergoing
you aren't undergoing
they aren't undergoing
Present Perfect
I haven't undergoneyou haven't undergone
he/she/it hasn't undergone
we haven't undergone
you haven't undergone
they haven't undergone
Present Perfect Continuous
I haven't been undergoingyou haven't been undergoing
he/she/it hasn't been undergoing
we haven't been undergoing
you haven't been undergoing
they haven't been undergoing
Past Indefinite
I didn't undergoyou didn't undergo
he/she/it didn't undergo
we didn't undergo
you didn't undergo
they didn't undergo
Past Continuous
I wasn't undergoingyou weren't undergoing
he/she/it wasn't undergoing
we weren't undergoing
you weren't undergoing
they weren't undergoing
Past Perfect
I hadn't undergoneyou hadn't undergone
he/she/it hadn't undergone
we hadn't undergone
you hadn't undergone
they hadn't undergone
Past Perfect Continuous
I hadn't been undergoingyou hadn't been undergoing
he/she/it hadn't been undergoing
we hadn't been undergoing
you hadn't been undergoing
they hadn't been undergoing
Future Indefinite
I shan't / won't undergoyou won't undergo
he/she/it won't undergo
we shan't / won't undergo
you won't undergo
they won't undergo
Future Continuous
I shan't / won't be undergoingyou won't be undergoing
he/she/it won't be undergoing
we shan't / won't be undergoing
you won't be undergoing
they won't be undergoing
Future Perfect
I shan't / won't have undergoneyou won't have undergone
he/she/it won't have undergone
we shan't / won't have undergone
you won't have undergone
they won't have undergone
Future Perfect Continuous
I shan't / won't have been undergoingyou won't have been undergoing
he/she/it won't have been undergoing
we shan't / won't have been undergoing
you won't have been undergoing
they won't have been undergoing
Conditional
Conditional Present
Conditional Present Continuous
Conditional Perfect
Conditional Perfect Continuous
Conditional
Conditional Present
I wouldn't undergoyou wouldn't undergo
he/she/it wouldn't undergo
we wouldn't undergo
you wouldn't undergo
they wouldn't undergo
Conditional Present Continuous
I wouldn't be undergoingyou wouldn't be undergoing
he/she/it wouldn't be undergoing
we wouldn't be undergoing
you wouldn't be undergoing
they wouldn't be undergoing
Conditional Perfect
I wouldn't have undergoneyou wouldn't have undergone
he/she/it wouldn't have undergone
we wouldn't have undergone
you wouldn't have undergone
they wouldn't have undergone
Conditional Perfect Continuous
I wouldn't have been undergoingyou wouldn't have been undergoing
he/she/it wouldn't have been undergoing
we wouldn't have been undergoing
you wouldn't have been undergoing
they wouldn't have been undergoing
Participles
Present
Past
Infinitives
Infinitives
Popular English Verbs
Conjugation of English verbs
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