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 cannot undergird you cannot undergird he cannot undergird we cannot undergird you cannot undergird they cannot undergird	I cannot be undergirding you cannot be undergirding he cannot be undergirding we cannot be undergirding you cannot be undergirding they cannot be undergirding
Perfect	V-ing perfect
I cannot have undergirt, undergirded you cannot have undergirt, undergirded he cannot have undergirt, undergirded we cannot have undergirt, undergirded you cannot have undergirt, undergirded they cannot have undergirt, undergirded	I cannot have been undergirding you cannot have been undergirding he cannot have been undergirding we cannot have been undergirding you cannot have been undergirding they cannot 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 I not undergird? can you not undergird? can he not undergird? can we not undergird? can you not undergird? can they not undergird?	can I not be undergirding? can you not be undergirding? can he not be undergirding? can we not be undergirding? can you not be undergirding? can they not be undergirding?
Perfect	V-ing perfect
can I not have undergirt, undergirded? can you not have undergirt, undergirded? can he not have undergirt, undergirded? can we not have undergirt, undergirded? can you not have undergirt, undergirded? can they not have undergirt, undergirded?	can I not have been undergirding? can you not have been undergirding? can he not have been undergirding? can we not have been undergirding? can you not have been undergirding? can they not have been undergirding?