I can whip you can whip she can whip we can whip you can whip they can whip
V-ing form
I can be whipping you can be whipping she can be whipping we can be whipping you can be whipping they can be whipping
Perfect
I can have whipped you can have whipped she can have whipped we can have whipped you can have whipped they can have whipped
V-ing perfect
I can have been whipping you can have been whipping she can have been whipping we can have been whipping you can have been whipping they can have been whipping
Negation
Simple form
I can't whip you can't whip she can't whip we can't whip you can't whip they can't whip
V-ing form
I can't be whipping you can't be whipping she can't be whipping we can't be whipping you can't be whipping they can't be whipping
Perfect
I can't have whipped you can't have whipped she can't have whipped we can't have whipped you can't have whipped they can't have whipped
V-ing perfect
I can't have been whipping you can't have been whipping she can't have been whipping we can't have been whipping you can't have been whipping they can't have been whipping
Interrogative form
Simple form
can I whip? can you whip? can she whip? can we whip? can you whip? can they whip?
V-ing form
can I be whipping? can you be whipping? can she be whipping? can we be whipping? can you be whipping? can they be whipping?
Perfect
can I have whipped? can you have whipped? can she have whipped? can we have whipped? can you have whipped? can they have whipped?
V-ing perfect
can I have been whipping? can you have been whipping? can she have been whipping? can we have been whipping? can you have been whipping? can they have been whipping?
Interro-negative form
Simple form
can't I whip? can't you whip? can't she whip? can't we whip? can't you whip? can't they whip?
V-ing form
can't I be whipping? can't you be whipping? can't she be whipping? can't we be whipping? can't you be whipping? can't they be whipping?
Perfect
can't I have whipped? can't you have whipped? can't she have whipped? can't we have whipped? can't you have whipped? can't they have whipped?
V-ing perfect
can't I have been whipping? can't you have been whipping? can't she have been whipping? can't we have been whipping? can't you have been whipping? can't they have been whipping?