I can veg you can veg she can veg we can veg you can veg they can veg
V-ing form
I can be vegging you can be vegging she can be vegging we can be vegging you can be vegging they can be vegging
Perfect
I can have vegged you can have vegged she can have vegged we can have vegged you can have vegged they can have vegged
V-ing perfect
I can have been vegging you can have been vegging she can have been vegging we can have been vegging you can have been vegging they can have been vegging
Negation
Simple form
I can't veg you can't veg she can't veg we can't veg you can't veg they can't veg
V-ing form
I can't be vegging you can't be vegging she can't be vegging we can't be vegging you can't be vegging they can't be vegging
Perfect
I can't have vegged you can't have vegged she can't have vegged we can't have vegged you can't have vegged they can't have vegged
V-ing perfect
I can't have been vegging you can't have been vegging she can't have been vegging we can't have been vegging you can't have been vegging they can't have been vegging
Interrogative form
Simple form
can I veg? can you veg? can she veg? can we veg? can you veg? can they veg?
V-ing form
can I be vegging? can you be vegging? can she be vegging? can we be vegging? can you be vegging? can they be vegging?
Perfect
can I have vegged? can you have vegged? can she have vegged? can we have vegged? can you have vegged? can they have vegged?
V-ing perfect
can I have been vegging? can you have been vegging? can she have been vegging? can we have been vegging? can you have been vegging? can they have been vegging?
Interro-negative form
Simple form
can't I veg? can't you veg? can't she veg? can't we veg? can't you veg? can't they veg?
V-ing form
can't I be vegging? can't you be vegging? can't she be vegging? can't we be vegging? can't you be vegging? can't they be vegging?
Perfect
can't I have vegged? can't you have vegged? can't she have vegged? can't we have vegged? can't you have vegged? can't they have vegged?
V-ing perfect
can't I have been vegging? can't you have been vegging? can't she have been vegging? can't we have been vegging? can't you have been vegging? can't they have been vegging?