I can override you can override she can override we can override you can override they can override
V-ing form
I can be overriding you can be overriding she can be overriding we can be overriding you can be overriding they can be overriding
Perfect
I can have overridden you can have overridden she can have overridden we can have overridden you can have overridden they can have overridden
V-ing perfect
I can have been overriding you can have been overriding she can have been overriding we can have been overriding you can have been overriding they can have been overriding
Negation
Simple form
I cannot override you cannot override she cannot override we cannot override you cannot override they cannot override
V-ing form
I cannot be overriding you cannot be overriding she cannot be overriding we cannot be overriding you cannot be overriding they cannot be overriding
Perfect
I cannot have overridden you cannot have overridden she cannot have overridden we cannot have overridden you cannot have overridden they cannot have overridden
V-ing perfect
I cannot have been overriding you cannot have been overriding she cannot have been overriding we cannot have been overriding you cannot have been overriding they cannot have been overriding
Interrogative form
Simple form
can I override? can you override? can she override? can we override? can you override? can they override?
V-ing form
can I be overriding? can you be overriding? can she be overriding? can we be overriding? can you be overriding? can they be overriding?
Perfect
can I have overridden? can you have overridden? can she have overridden? can we have overridden? can you have overridden? can they have overridden?
V-ing perfect
can I have been overriding? can you have been overriding? can she have been overriding? can we have been overriding? can you have been overriding? can they have been overriding?
Interro-negative form
Simple form
can I not override? can you not override? can she not override? can we not override? can you not override? can they not override?
V-ing form
can I not be overriding? can you not be overriding? can she not be overriding? can we not be overriding? can you not be overriding? can they not be overriding?
Perfect
can I not have overridden? can you not have overridden? can she not have overridden? can we not have overridden? can you not have overridden? can they not have overridden?
V-ing perfect
can I not have been overriding? can you not have been overriding? can she not have been overriding? can we not have been overriding? can you not have been overriding? can they not have been overriding?