English verb conjugation
CAN UNDERGIRD

Irregular verb: undergird - undergirt, undergirded - undergirt, undergirded

Affirmation

Simple form	V-ing form
I can undergird you can undergird he can undergird we can undergird you can undergird they can undergird	I can be undergirding you can be undergirding he can be undergirding we can be undergirding you can be undergirding they can be undergirding
Perfect	V-ing perfect
I can have undergirt, undergirded you can have undergirt, undergirded he can have undergirt, undergirded we can have undergirt, undergirded you can have undergirt, undergirded they can have undergirt, undergirded	I can have been undergirding you can have been undergirding he can have been undergirding we can have been undergirding you can have been undergirding they can have been undergirding

Negation

Simple form	V-ing form
I can't undergird you can't undergird he can't undergird we can't undergird you can't undergird they can't undergird	I can't be undergirding you can't be undergirding he can't be undergirding we can't be undergirding you can't be undergirding they can't be undergirding
Perfect	V-ing perfect
I can't have undergirt, undergirded you can't have undergirt, undergirded he can't have undergirt, undergirded we can't have undergirt, undergirded you can't have undergirt, undergirded they can't have undergirt, undergirded	I can't have been undergirding you can't have been undergirding he can't have been undergirding we can't have been undergirding you can't have been undergirding they can't have been undergirding

Interrogative form

Simple form	V-ing form
can I undergird? can you undergird? can he undergird? can we undergird? can you undergird? can they undergird?	can I be undergirding? can you be undergirding? can he be undergirding? can we be undergirding? can you be undergirding? can they be undergirding?
Perfect	V-ing perfect
can I have undergirt, undergirded? can you have undergirt, undergirded? can he have undergirt, undergirded? can we have undergirt, undergirded? can you have undergirt, undergirded? can they have undergirt, undergirded?	can I have been undergirding? can you have been undergirding? can he have been undergirding? can we have been undergirding? can you have been undergirding? can they have been undergirding?

Interro-negative form

Simple form	V-ing form
can't I undergird? can't you undergird? can't he undergird? can't we undergird? can't you undergird? can't they undergird?	can't I be undergirding? can't you be undergirding? can't he be undergirding? can't we be undergirding? can't you be undergirding? can't they be undergirding?
Perfect	V-ing perfect
can't I have undergirt, undergirded? can't you have undergirt, undergirded? can't he have undergirt, undergirded? can't we have undergirt, undergirded? can't you have undergirt, undergirded? can't they have undergirt, undergirded?	can't I have been undergirding? can't you have been undergirding? can't he have been undergirding? can't we have been undergirding? can't you have been undergirding? can't they have been undergirding?