English verb conjugation
CAN EXTENUATE

Regular verb: extenuate - extenuated - extenuated

Affirmation

Simple form	V-ing form
I can extenuate you can extenuate he can extenuate we can extenuate you can extenuate they can extenuate	I can be extenuating you can be extenuating he can be extenuating we can be extenuating you can be extenuating they can be extenuating
Perfect	V-ing perfect
I can have extenuated you can have extenuated he can have extenuated we can have extenuated you can have extenuated they can have extenuated	I can have been extenuating you can have been extenuating he can have been extenuating we can have been extenuating you can have been extenuating they can have been extenuating

Negation

Simple form	V-ing form
I can't extenuate you can't extenuate he can't extenuate we can't extenuate you can't extenuate they can't extenuate	I can't be extenuating you can't be extenuating he can't be extenuating we can't be extenuating you can't be extenuating they can't be extenuating
Perfect	V-ing perfect
I can't have extenuated you can't have extenuated he can't have extenuated we can't have extenuated you can't have extenuated they can't have extenuated	I can't have been extenuating you can't have been extenuating he can't have been extenuating we can't have been extenuating you can't have been extenuating they can't have been extenuating

Interrogative form

Simple form	V-ing form
can I extenuate? can you extenuate? can he extenuate? can we extenuate? can you extenuate? can they extenuate?	can I be extenuating? can you be extenuating? can he be extenuating? can we be extenuating? can you be extenuating? can they be extenuating?
Perfect	V-ing perfect
can I have extenuated? can you have extenuated? can he have extenuated? can we have extenuated? can you have extenuated? can they have extenuated?	can I have been extenuating? can you have been extenuating? can he have been extenuating? can we have been extenuating? can you have been extenuating? can they have been extenuating?

Interro-negative form

Simple form	V-ing form
can't I extenuate? can't you extenuate? can't he extenuate? can't we extenuate? can't you extenuate? can't they extenuate?	can't I be extenuating? can't you be extenuating? can't he be extenuating? can't we be extenuating? can't you be extenuating? can't they be extenuating?
Perfect	V-ing perfect
can't I have extenuated? can't you have extenuated? can't he have extenuated? can't we have extenuated? can't you have extenuated? can't they have extenuated?	can't I have been extenuating? can't you have been extenuating? can't he have been extenuating? can't we have been extenuating? can't you have been extenuating? can't they have been extenuating?