can evolve
Regular verb: evolve - evolved- evolved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can evolve
you can evolve
she can evolve
we can evolve
you can evolve
they can evolve 	I can be evolving
you can be evolving
she can be evolving
we can be evolving
you can be evolving
they can be evolving	I can have evolved
you can have evolved
she can have evolved
we can have evolved
you can have evolved
they can have evolved	I can have been evolving
you can have been evolving
she can have been evolving
we can have been evolving
you can have been evolving
they can have been evolving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot evolve
you cannot evolve
she cannot evolve
we cannot evolve
you cannot evolve
they cannot evolve 	I cannot be evolving
you cannot be evolving
she cannot be evolving
we cannot be evolving
you cannot be evolving
they cannot be evolving	I cannot have evolved
you cannot have evolved
she cannot have evolved
we cannot have evolved
you cannot have evolved
they cannot have evolved	I cannot have been evolving
you cannot have been evolving
she cannot have been evolving
we cannot have been evolving
you cannot have been evolving
they cannot have been evolving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I evolve?
can you evolve?
can she evolve?
can we evolve?
can you evolve?
can they evolve? 	can I be evolving?
can you be evolving?
can she be evolving?
can we be evolving?
can you be evolving?
can they be evolving? 	can I have evolved?
can you have evolved?
can she have evolved?
can we have evolved?
can you have evolved?
can they have evolved? 	can I have been evolving?
can you have been evolving?
can she have been evolving?
can we have been evolving?
can you have been evolving?
can they have been evolving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not evolve?
can you not evolve?
can she not evolve?
can we not evolve?
can you not evolve?
can they not evolve? 	can I not be evolving?
can you not be evolving?
can she not be evolving?
can we not be evolving?
can you not be evolving?
can they not be evolving? 	can I not have evolved?
can you not have evolved?
can she not have evolved?
can we not have evolved?
can you not have evolved?
can they not have evolved? 	can I not have been evolving?
can you not have been evolving?
can she not have been evolving?
can we not have been evolving?
can you not have been evolving?
can they not have been evolving?