I can peep you can peep she can peep we can peep you can peep they can peep
V-ing form
I can be peeping you can be peeping she can be peeping we can be peeping you can be peeping they can be peeping
Perfect
I can have peeped you can have peeped she can have peeped we can have peeped you can have peeped they can have peeped
V-ing perfect
I can have been peeping you can have been peeping she can have been peeping we can have been peeping you can have been peeping they can have been peeping
Negation
Simple form
I can't peep you can't peep she can't peep we can't peep you can't peep they can't peep
V-ing form
I can't be peeping you can't be peeping she can't be peeping we can't be peeping you can't be peeping they can't be peeping
Perfect
I can't have peeped you can't have peeped she can't have peeped we can't have peeped you can't have peeped they can't have peeped
V-ing perfect
I can't have been peeping you can't have been peeping she can't have been peeping we can't have been peeping you can't have been peeping they can't have been peeping
Interrogative form
Simple form
can I peep? can you peep? can she peep? can we peep? can you peep? can they peep?
V-ing form
can I be peeping? can you be peeping? can she be peeping? can we be peeping? can you be peeping? can they be peeping?
Perfect
can I have peeped? can you have peeped? can she have peeped? can we have peeped? can you have peeped? can they have peeped?
V-ing perfect
can I have been peeping? can you have been peeping? can she have been peeping? can we have been peeping? can you have been peeping? can they have been peeping?
Interro-negative form
Simple form
can't I peep? can't you peep? can't she peep? can't we peep? can't you peep? can't they peep?
V-ing form
can't I be peeping? can't you be peeping? can't she be peeping? can't we be peeping? can't you be peeping? can't they be peeping?
Perfect
can't I have peeped? can't you have peeped? can't she have peeped? can't we have peeped? can't you have peeped? can't they have peeped?
V-ing perfect
can't I have been peeping? can't you have been peeping? can't she have been peeping? can't we have been peeping? can't you have been peeping? can't they have been peeping?