English verb conjugation
CAN UNDERFEED

Irregular verb: underfeed - underfed - underfed

Affirmation

Simple form	V-ing form
I can underfeed you can underfeed he can underfeed we can underfeed you can underfeed they can underfeed	I can be underfeeding you can be underfeeding he can be underfeeding we can be underfeeding you can be underfeeding they can be underfeeding
Perfect	V-ing perfect
I can have underfed you can have underfed he can have underfed we can have underfed you can have underfed they can have underfed	I can have been underfeeding you can have been underfeeding he can have been underfeeding we can have been underfeeding you can have been underfeeding they can have been underfeeding

Negation

Simple form	V-ing form
I can't underfeed you can't underfeed he can't underfeed we can't underfeed you can't underfeed they can't underfeed	I can't be underfeeding you can't be underfeeding he can't be underfeeding we can't be underfeeding you can't be underfeeding they can't be underfeeding
Perfect	V-ing perfect
I can't have underfed you can't have underfed he can't have underfed we can't have underfed you can't have underfed they can't have underfed	I can't have been underfeeding you can't have been underfeeding he can't have been underfeeding we can't have been underfeeding you can't have been underfeeding they can't have been underfeeding

Interrogative form

Simple form	V-ing form
can I underfeed? can you underfeed? can he underfeed? can we underfeed? can you underfeed? can they underfeed?	can I be underfeeding? can you be underfeeding? can he be underfeeding? can we be underfeeding? can you be underfeeding? can they be underfeeding?
Perfect	V-ing perfect
can I have underfed? can you have underfed? can he have underfed? can we have underfed? can you have underfed? can they have underfed?	can I have been underfeeding? can you have been underfeeding? can he have been underfeeding? can we have been underfeeding? can you have been underfeeding? can they have been underfeeding?

Interro-negative form

Simple form	V-ing form
can't I underfeed? can't you underfeed? can't he underfeed? can't we underfeed? can't you underfeed? can't they underfeed?	can't I be underfeeding? can't you be underfeeding? can't he be underfeeding? can't we be underfeeding? can't you be underfeeding? can't they be underfeeding?
Perfect	V-ing perfect
can't I have underfed? can't you have underfed? can't he have underfed? can't we have underfed? can't you have underfed? can't they have underfed?	can't I have been underfeeding? can't you have been underfeeding? can't he have been underfeeding? can't we have been underfeeding? can't you have been underfeeding? can't they have been underfeeding?