English verb conjugation
CAN DAMAGE

Regular verb: damage - damaged - damaged

Affirmation

Simple form	V-ing form
I can damage you can damage he can damage we can damage you can damage they can damage	I can be damaging you can be damaging he can be damaging we can be damaging you can be damaging they can be damaging
Perfect	V-ing perfect
I can have damaged you can have damaged he can have damaged we can have damaged you can have damaged they can have damaged	I can have been damaging you can have been damaging he can have been damaging we can have been damaging you can have been damaging they can have been damaging

Negation

Simple form	V-ing form
I cannot damage you cannot damage he cannot damage we cannot damage you cannot damage they cannot damage	I cannot be damaging you cannot be damaging he cannot be damaging we cannot be damaging you cannot be damaging they cannot be damaging
Perfect	V-ing perfect
I cannot have damaged you cannot have damaged he cannot have damaged we cannot have damaged you cannot have damaged they cannot have damaged	I cannot have been damaging you cannot have been damaging he cannot have been damaging we cannot have been damaging you cannot have been damaging they cannot have been damaging

Interrogative form

Simple form	V-ing form
can I damage? can you damage? can he damage? can we damage? can you damage? can they damage?	can I be damaging? can you be damaging? can he be damaging? can we be damaging? can you be damaging? can they be damaging?
Perfect	V-ing perfect
can I have damaged? can you have damaged? can he have damaged? can we have damaged? can you have damaged? can they have damaged?	can I have been damaging? can you have been damaging? can he have been damaging? can we have been damaging? can you have been damaging? can they have been damaging?

Interro-negative form

Simple form	V-ing form
can I not damage? can you not damage? can he not damage? can we not damage? can you not damage? can they not damage?	can I not be damaging? can you not be damaging? can he not be damaging? can we not be damaging? can you not be damaging? can they not be damaging?
Perfect	V-ing perfect
can I not have damaged? can you not have damaged? can he not have damaged? can we not have damaged? can you not have damaged? can they not have damaged?	can I not have been damaging? can you not have been damaging? can he not have been damaging? can we not have been damaging? can you not have been damaging? can they not have been damaging?