English verb conjugation
CAN ADUMBRATE

Regular verb: adumbrate - adumbrated - adumbrated

Affirmation

Simple form	V-ing form
I can adumbrate you can adumbrate she can adumbrate we can adumbrate you can adumbrate they can adumbrate	I can be adumbrating you can be adumbrating she can be adumbrating we can be adumbrating you can be adumbrating they can be adumbrating
Perfect	V-ing perfect
I can have adumbrated you can have adumbrated she can have adumbrated we can have adumbrated you can have adumbrated they can have adumbrated	I can have been adumbrating you can have been adumbrating she can have been adumbrating we can have been adumbrating you can have been adumbrating they can have been adumbrating

Negation

Simple form	V-ing form
I can't adumbrate you can't adumbrate she can't adumbrate we can't adumbrate you can't adumbrate they can't adumbrate	I can't be adumbrating you can't be adumbrating she can't be adumbrating we can't be adumbrating you can't be adumbrating they can't be adumbrating
Perfect	V-ing perfect
I can't have adumbrated you can't have adumbrated she can't have adumbrated we can't have adumbrated you can't have adumbrated they can't have adumbrated	I can't have been adumbrating you can't have been adumbrating she can't have been adumbrating we can't have been adumbrating you can't have been adumbrating they can't have been adumbrating

Interrogative form

Simple form	V-ing form
can I adumbrate? can you adumbrate? can she adumbrate? can we adumbrate? can you adumbrate? can they adumbrate?	can I be adumbrating? can you be adumbrating? can she be adumbrating? can we be adumbrating? can you be adumbrating? can they be adumbrating?
Perfect	V-ing perfect
can I have adumbrated? can you have adumbrated? can she have adumbrated? can we have adumbrated? can you have adumbrated? can they have adumbrated?	can I have been adumbrating? can you have been adumbrating? can she have been adumbrating? can we have been adumbrating? can you have been adumbrating? can they have been adumbrating?

Interro-negative form

Simple form	V-ing form
can't I adumbrate? can't you adumbrate? can't she adumbrate? can't we adumbrate? can't you adumbrate? can't they adumbrate?	can't I be adumbrating? can't you be adumbrating? can't she be adumbrating? can't we be adumbrating? can't you be adumbrating? can't they be adumbrating?
Perfect	V-ing perfect
can't I have adumbrated? can't you have adumbrated? can't she have adumbrated? can't we have adumbrated? can't you have adumbrated? can't they have adumbrated?	can't I have been adumbrating? can't you have been adumbrating? can't she have been adumbrating? can't we have been adumbrating? can't you have been adumbrating? can't they have been adumbrating?