I can buggar you can buggar she can buggar we can buggar you can buggar they can buggar
V-ing form
I can be buggaring you can be buggaring she can be buggaring we can be buggaring you can be buggaring they can be buggaring
Perfect
I can have buggared you can have buggared she can have buggared we can have buggared you can have buggared they can have buggared
V-ing perfect
I can have been buggaring you can have been buggaring she can have been buggaring we can have been buggaring you can have been buggaring they can have been buggaring
Negation
Simple form
I can't buggar you can't buggar she can't buggar we can't buggar you can't buggar they can't buggar
V-ing form
I can't be buggaring you can't be buggaring she can't be buggaring we can't be buggaring you can't be buggaring they can't be buggaring
Perfect
I can't have buggared you can't have buggared she can't have buggared we can't have buggared you can't have buggared they can't have buggared
V-ing perfect
I can't have been buggaring you can't have been buggaring she can't have been buggaring we can't have been buggaring you can't have been buggaring they can't have been buggaring
Interrogative form
Simple form
can I buggar? can you buggar? can she buggar? can we buggar? can you buggar? can they buggar?
V-ing form
can I be buggaring? can you be buggaring? can she be buggaring? can we be buggaring? can you be buggaring? can they be buggaring?
Perfect
can I have buggared? can you have buggared? can she have buggared? can we have buggared? can you have buggared? can they have buggared?
V-ing perfect
can I have been buggaring? can you have been buggaring? can she have been buggaring? can we have been buggaring? can you have been buggaring? can they have been buggaring?
Interro-negative form
Simple form
can't I buggar? can't you buggar? can't she buggar? can't we buggar? can't you buggar? can't they buggar?
V-ing form
can't I be buggaring? can't you be buggaring? can't she be buggaring? can't we be buggaring? can't you be buggaring? can't they be buggaring?
Perfect
can't I have buggared? can't you have buggared? can't she have buggared? can't we have buggared? can't you have buggared? can't they have buggared?
V-ing perfect
can't I have been buggaring? can't you have been buggaring? can't she have been buggaring? can't we have been buggaring? can't you have been buggaring? can't they have been buggaring?