I can arc you can arc she can arc we can arc you can arc they can arc
V-ing form
I can be arcing you can be arcing she can be arcing we can be arcing you can be arcing they can be arcing
Perfect
I can have arced you can have arced she 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 she can have been arcing we can have been arcing you can have been arcing they can have been arcing
Negation
Simple form
I cannot arc you cannot arc she cannot arc we cannot arc you cannot arc they cannot arc
V-ing form
I cannot be arcing you cannot be arcing she cannot be arcing we cannot be arcing you cannot be arcing they cannot be arcing
Perfect
I cannot have arced you cannot have arced she cannot have arced we cannot have arced you cannot have arced they cannot have arced
V-ing perfect
I cannot have been arcing you cannot have been arcing she cannot have been arcing we cannot have been arcing you cannot have been arcing they cannot have been arcing
Interrogative form
Simple form
can I arc? can you arc? can she arc? can we arc? can you arc? can they arc?
V-ing form
can I be arcing? can you be arcing? can she be arcing? can we be arcing? can you be arcing? can they be arcing?
Perfect
can I have arced? can you have arced? can she 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 she have been arcing? can we have been arcing? can you have been arcing? can they have been arcing?
Interro-negative form
Simple form
can I not arc? can you not arc? can she not arc? can we not arc? can you not arc? can they not arc?
V-ing form
can I not be arcing? can you not be arcing? can she not be arcing? can we not be arcing? can you not be arcing? can they not be arcing?
Perfect
can I not have arced? can you not have arced? can she not have arced? can we not have arced? can you not have arced? can they not have arced?
V-ing perfect
can I not have been arcing? can you not have been arcing? can she not have been arcing? can we not have been arcing? can you not have been arcing? can they not have been arcing?