I can lose you can lose she can lose we can lose you can lose they can lose
V-ing form
I can be losing you can be losing she can be losing we can be losing you can be losing they can be losing
Perfect
I can have lost you can have lost she can have lost we can have lost you can have lost they can have lost
V-ing perfect
I can have been losing you can have been losing she can have been losing we can have been losing you can have been losing they can have been losing
Negation
Simple form
I cannot lose you cannot lose she cannot lose we cannot lose you cannot lose they cannot lose
V-ing form
I cannot be losing you cannot be losing she cannot be losing we cannot be losing you cannot be losing they cannot be losing
Perfect
I cannot have lost you cannot have lost she cannot have lost we cannot have lost you cannot have lost they cannot have lost
V-ing perfect
I cannot have been losing you cannot have been losing she cannot have been losing we cannot have been losing you cannot have been losing they cannot have been losing
Interrogative form
Simple form
can I lose? can you lose? can she lose? can we lose? can you lose? can they lose?
V-ing form
can I be losing? can you be losing? can she be losing? can we be losing? can you be losing? can they be losing?
Perfect
can I have lost? can you have lost? can she have lost? can we have lost? can you have lost? can they have lost?
V-ing perfect
can I have been losing? can you have been losing? can she have been losing? can we have been losing? can you have been losing? can they have been losing?
Interro-negative form
Simple form
can I not lose? can you not lose? can she not lose? can we not lose? can you not lose? can they not lose?
V-ing form
can I not be losing? can you not be losing? can she not be losing? can we not be losing? can you not be losing? can they not be losing?
Perfect
can I not have lost? can you not have lost? can she not have lost? can we not have lost? can you not have lost? can they not have lost?
V-ing perfect
can I not have been losing? can you not have been losing? can she not have been losing? can we not have been losing? can you not have been losing? can they not have been losing?