I can arc you can arc he can arc we can arc you can arc they can arc
V-ing form
I can be arcing you can be arcing he can be arcing we can be arcing you can be arcing they can be arcing
Perfect
I can have arced you can have arced he can have arced we can have arced you can have arced they can have arced
V-ing perfect
I can have been arcing you can have been arcing he can have been arcing we can have been arcing you can have been arcing they can have been arcing
Negation
Simple form
I can't arc you can't arc he can't arc we can't arc you can't arc they can't arc
V-ing form
I can't be arcing you can't be arcing he can't be arcing we can't be arcing you can't be arcing they can't be arcing
Perfect
I can't have arced you can't have arced he can't have arced we can't have arced you can't have arced they can't have arced
V-ing perfect
I can't have been arcing you can't have been arcing he can't have been arcing we can't have been arcing you can't have been arcing they can't have been arcing
Interrogative form
Simple form
can I arc? can you arc? can he arc? can we arc? can you arc? can they arc?
V-ing form
can I be arcing? can you be arcing? can he be arcing? can we be arcing? can you be arcing? can they be arcing?
Perfect
can I have arced? can you have arced? can he have arced? can we have arced? can you have arced? can they have arced?
V-ing perfect
can I have been arcing? can you have been arcing? can he have been arcing? can we have been arcing? can you have been arcing? can they have been arcing?
Interro-negative form
Simple form
can't I arc? can't you arc? can't he arc? can't we arc? can't you arc? can't they arc?
V-ing form
can't I be arcing? can't you be arcing? can't he be arcing? can't we be arcing? can't you be arcing? can't they be arcing?
Perfect
can't I have arced? can't you have arced? can't he have arced? can't we have arced? can't you have arced? can't they have arced?
V-ing perfect
can't I have been arcing? can't you have been arcing? can't he have been arcing? can't we have been arcing? can't you have been arcing? can't they have been arcing?