can rive
Irregular verb: rive - rived- rived, riven

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can rive
you can rive
she can rive
we can rive
you can rive
they can rive 	I can be riving
you can be riving
she can be riving
we can be riving
you can be riving
they can be riving	I can have rived, riven
you can have rived, riven
she can have rived, riven
we can have rived, riven
you can have rived, riven
they can have rived, riven	I can have been riving
you can have been riving
she can have been riving
we can have been riving
you can have been riving
they can have been riving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot rive
you cannot rive
she cannot rive
we cannot rive
you cannot rive
they cannot rive 	I cannot be riving
you cannot be riving
she cannot be riving
we cannot be riving
you cannot be riving
they cannot be riving	I cannot have rived, riven
you cannot have rived, riven
she cannot have rived, riven
we cannot have rived, riven
you cannot have rived, riven
they cannot have rived, riven	I cannot have been riving
you cannot have been riving
she cannot have been riving
we cannot have been riving
you cannot have been riving
they cannot have been riving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I rive?
can you rive?
can she rive?
can we rive?
can you rive?
can they rive? 	can I be riving?
can you be riving?
can she be riving?
can we be riving?
can you be riving?
can they be riving? 	can I have rived, riven?
can you have rived, riven?
can she have rived, riven?
can we have rived, riven?
can you have rived, riven?
can they have rived, riven? 	can I have been riving?
can you have been riving?
can she have been riving?
can we have been riving?
can you have been riving?
can they have been riving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not rive?
can you not rive?
can she not rive?
can we not rive?
can you not rive?
can they not rive? 	can I not be riving?
can you not be riving?
can she not be riving?
can we not be riving?
can you not be riving?
can they not be riving? 	can I not have rived, riven?
can you not have rived, riven?
can she not have rived, riven?
can we not have rived, riven?
can you not have rived, riven?
can they not have rived, riven? 	can I not have been riving?
can you not have been riving?
can she not have been riving?
can we not have been riving?
can you not have been riving?
can they not have been riving?