I can skid you can skid he can skid we can skid you can skid they can skid
V-ing form
I can be skidding you can be skidding he can be skidding we can be skidding you can be skidding they can be skidding
Perfect
I can have skidded you can have skidded he can have skidded we can have skidded you can have skidded they can have skidded
V-ing perfect
I can have been skidding you can have been skidding he can have been skidding we can have been skidding you can have been skidding they can have been skidding
Negation
Simple form
I can't skid you can't skid he can't skid we can't skid you can't skid they can't skid
V-ing form
I can't be skidding you can't be skidding he can't be skidding we can't be skidding you can't be skidding they can't be skidding
Perfect
I can't have skidded you can't have skidded he can't have skidded we can't have skidded you can't have skidded they can't have skidded
V-ing perfect
I can't have been skidding you can't have been skidding he can't have been skidding we can't have been skidding you can't have been skidding they can't have been skidding
Interrogative form
Simple form
can I skid? can you skid? can he skid? can we skid? can you skid? can they skid?
V-ing form
can I be skidding? can you be skidding? can he be skidding? can we be skidding? can you be skidding? can they be skidding?
Perfect
can I have skidded? can you have skidded? can he have skidded? can we have skidded? can you have skidded? can they have skidded?
V-ing perfect
can I have been skidding? can you have been skidding? can he have been skidding? can we have been skidding? can you have been skidding? can they have been skidding?
Interro-negative form
Simple form
can't I skid? can't you skid? can't he skid? can't we skid? can't you skid? can't they skid?
V-ing form
can't I be skidding? can't you be skidding? can't he be skidding? can't we be skidding? can't you be skidding? can't they be skidding?
Perfect
can't I have skidded? can't you have skidded? can't he have skidded? can't we have skidded? can't you have skidded? can't they have skidded?
V-ing perfect
can't I have been skidding? can't you have been skidding? can't he have been skidding? can't we have been skidding? can't you have been skidding? can't they have been skidding?