I can iron you can iron she can iron we can iron you can iron they can iron
V-ing form
I can be ironing you can be ironing she can be ironing we can be ironing you can be ironing they can be ironing
Perfect
I can have ironed you can have ironed she can have ironed we can have ironed you can have ironed they can have ironed
V-ing perfect
I can have been ironing you can have been ironing she can have been ironing we can have been ironing you can have been ironing they can have been ironing
Negation
Simple form
I can't iron you can't iron she can't iron we can't iron you can't iron they can't iron
V-ing form
I can't be ironing you can't be ironing she can't be ironing we can't be ironing you can't be ironing they can't be ironing
Perfect
I can't have ironed you can't have ironed she can't have ironed we can't have ironed you can't have ironed they can't have ironed
V-ing perfect
I can't have been ironing you can't have been ironing she can't have been ironing we can't have been ironing you can't have been ironing they can't have been ironing
Interrogative form
Simple form
can I iron? can you iron? can she iron? can we iron? can you iron? can they iron?
V-ing form
can I be ironing? can you be ironing? can she be ironing? can we be ironing? can you be ironing? can they be ironing?
Perfect
can I have ironed? can you have ironed? can she have ironed? can we have ironed? can you have ironed? can they have ironed?
V-ing perfect
can I have been ironing? can you have been ironing? can she have been ironing? can we have been ironing? can you have been ironing? can they have been ironing?
Interro-negative form
Simple form
can't I iron? can't you iron? can't she iron? can't we iron? can't you iron? can't they iron?
V-ing form
can't I be ironing? can't you be ironing? can't she be ironing? can't we be ironing? can't you be ironing? can't they be ironing?
Perfect
can't I have ironed? can't you have ironed? can't she have ironed? can't we have ironed? can't you have ironed? can't they have ironed?
V-ing perfect
can't I have been ironing? can't you have been ironing? can't she have been ironing? can't we have been ironing? can't you have been ironing? can't they have been ironing?