can simplify
Regular verb: simplify - simplified- simplified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can simplify
you can simplify
she can simplify
we can simplify
you can simplify
they can simplify 	I can be simplifying
you can be simplifying
she can be simplifying
we can be simplifying
you can be simplifying
they can be simplifying	I can have simplified
you can have simplified
she can have simplified
we can have simplified
you can have simplified
they can have simplified	I can have been simplifying
you can have been simplifying
she can have been simplifying
we can have been simplifying
you can have been simplifying
they can have been simplifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot simplify
you cannot simplify
she cannot simplify
we cannot simplify
you cannot simplify
they cannot simplify 	I cannot be simplifying
you cannot be simplifying
she cannot be simplifying
we cannot be simplifying
you cannot be simplifying
they cannot be simplifying	I cannot have simplified
you cannot have simplified
she cannot have simplified
we cannot have simplified
you cannot have simplified
they cannot have simplified	I cannot have been simplifying
you cannot have been simplifying
she cannot have been simplifying
we cannot have been simplifying
you cannot have been simplifying
they cannot have been simplifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I simplify?
can you simplify?
can she simplify?
can we simplify?
can you simplify?
can they simplify? 	can I be simplifying?
can you be simplifying?
can she be simplifying?
can we be simplifying?
can you be simplifying?
can they be simplifying? 	can I have simplified?
can you have simplified?
can she have simplified?
can we have simplified?
can you have simplified?
can they have simplified? 	can I have been simplifying?
can you have been simplifying?
can she have been simplifying?
can we have been simplifying?
can you have been simplifying?
can they have been simplifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not simplify?
can you not simplify?
can she not simplify?
can we not simplify?
can you not simplify?
can they not simplify? 	can I not be simplifying?
can you not be simplifying?
can she not be simplifying?
can we not be simplifying?
can you not be simplifying?
can they not be simplifying? 	can I not have simplified?
can you not have simplified?
can she not have simplified?
can we not have simplified?
can you not have simplified?
can they not have simplified? 	can I not have been simplifying?
can you not have been simplifying?
can she not have been simplifying?
can we not have been simplifying?
can you not have been simplifying?
can they not have been simplifying?