English verb conjugation
CAN IRON

Regular verb: iron - ironed - ironed

Affirmation

Simple form	V-ing form
I can iron you can iron he can iron we can iron you can iron they can iron	I can be ironing you can be ironing he can be ironing we can be ironing you can be ironing they can be ironing
Perfect	V-ing perfect
I can have ironed you can have ironed he can have ironed we can have ironed you can have ironed they can have ironed	I can have been ironing you can have been ironing he can have been ironing we can have been ironing you can have been ironing they can have been ironing

Negation

Simple form	V-ing form
I cannot iron you cannot iron he cannot iron we cannot iron you cannot iron they cannot iron	I cannot be ironing you cannot be ironing he cannot be ironing we cannot be ironing you cannot be ironing they cannot be ironing
Perfect	V-ing perfect
I cannot have ironed you cannot have ironed he cannot have ironed we cannot have ironed you cannot have ironed they cannot have ironed	I cannot have been ironing you cannot have been ironing he cannot have been ironing we cannot have been ironing you cannot have been ironing they cannot have been ironing

Interrogative form

Simple form	V-ing form
can I iron? can you iron? can he iron? can we iron? can you iron? can they iron?	can I be ironing? can you be ironing? can he be ironing? can we be ironing? can you be ironing? can they be ironing?
Perfect	V-ing perfect
can I have ironed? can you have ironed? can he have ironed? can we have ironed? can you have ironed? can they have ironed?	can I have been ironing? can you have been ironing? can he have been ironing? can we have been ironing? can you have been ironing? can they have been ironing?

Interro-negative form

Simple form	V-ing form
can I not iron? can you not iron? can he not iron? can we not iron? can you not iron? can they not iron?	can I not be ironing? can you not be ironing? can he not be ironing? can we not be ironing? can you not be ironing? can they not be ironing?
Perfect	V-ing perfect
can I not have ironed? can you not have ironed? can he not have ironed? can we not have ironed? can you not have ironed? can they not have ironed?	can I not have been ironing? can you not have been ironing? can he not have been ironing? can we not have been ironing? can you not have been ironing? can they not have been ironing?