I can bug you can bug she can bug we can bug you can bug they can bug
V-ing form
I can be bugging you can be bugging she can be bugging we can be bugging you can be bugging they can be bugging
Perfect
I can have bugged you can have bugged she can have bugged we can have bugged you can have bugged they can have bugged
V-ing perfect
I can have been bugging you can have been bugging she can have been bugging we can have been bugging you can have been bugging they can have been bugging
Negation
Simple form
I cannot bug you cannot bug she cannot bug we cannot bug you cannot bug they cannot bug
V-ing form
I cannot be bugging you cannot be bugging she cannot be bugging we cannot be bugging you cannot be bugging they cannot be bugging
Perfect
I cannot have bugged you cannot have bugged she cannot have bugged we cannot have bugged you cannot have bugged they cannot have bugged
V-ing perfect
I cannot have been bugging you cannot have been bugging she cannot have been bugging we cannot have been bugging you cannot have been bugging they cannot have been bugging
Interrogative form
Simple form
can I bug? can you bug? can she bug? can we bug? can you bug? can they bug?
V-ing form
can I be bugging? can you be bugging? can she be bugging? can we be bugging? can you be bugging? can they be bugging?
Perfect
can I have bugged? can you have bugged? can she have bugged? can we have bugged? can you have bugged? can they have bugged?
V-ing perfect
can I have been bugging? can you have been bugging? can she have been bugging? can we have been bugging? can you have been bugging? can they have been bugging?
Interro-negative form
Simple form
can I not bug? can you not bug? can she not bug? can we not bug? can you not bug? can they not bug?
V-ing form
can I not be bugging? can you not be bugging? can she not be bugging? can we not be bugging? can you not be bugging? can they not be bugging?
Perfect
can I not have bugged? can you not have bugged? can she not have bugged? can we not have bugged? can you not have bugged? can they not have bugged?
V-ing perfect
can I not have been bugging? can you not have been bugging? can she not have been bugging? can we not have been bugging? can you not have been bugging? can they not have been bugging?