I can bruise you can bruise he can bruise we can bruise you can bruise they can bruise
V-ing form
I can be bruising you can be bruising he can be bruising we can be bruising you can be bruising they can be bruising
Perfect
I can have bruised you can have bruised he can have bruised we can have bruised you can have bruised they can have bruised
V-ing perfect
I can have been bruising you can have been bruising he can have been bruising we can have been bruising you can have been bruising they can have been bruising
Negation
Simple form
I cannot bruise you cannot bruise he cannot bruise we cannot bruise you cannot bruise they cannot bruise
V-ing form
I cannot be bruising you cannot be bruising he cannot be bruising we cannot be bruising you cannot be bruising they cannot be bruising
Perfect
I cannot have bruised you cannot have bruised he cannot have bruised we cannot have bruised you cannot have bruised they cannot have bruised
V-ing perfect
I cannot have been bruising you cannot have been bruising he cannot have been bruising we cannot have been bruising you cannot have been bruising they cannot have been bruising
Interrogative form
Simple form
can I bruise? can you bruise? can he bruise? can we bruise? can you bruise? can they bruise?
V-ing form
can I be bruising? can you be bruising? can he be bruising? can we be bruising? can you be bruising? can they be bruising?
Perfect
can I have bruised? can you have bruised? can he have bruised? can we have bruised? can you have bruised? can they have bruised?
V-ing perfect
can I have been bruising? can you have been bruising? can he have been bruising? can we have been bruising? can you have been bruising? can they have been bruising?
Interro-negative form
Simple form
can I not bruise? can you not bruise? can he not bruise? can we not bruise? can you not bruise? can they not bruise?
V-ing form
can I not be bruising? can you not be bruising? can he not be bruising? can we not be bruising? can you not be bruising? can they not be bruising?
Perfect
can I not have bruised? can you not have bruised? can he not have bruised? can we not have bruised? can you not have bruised? can they not have bruised?
V-ing perfect
can I not have been bruising? can you not have been bruising? can he not have been bruising? can we not have been bruising? can you not have been bruising? can they not have been bruising?