can simplify
Regular verb: simplify - simplified- simplified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can simplify
you can simplify
he can simplify
we can simplify
you can simplify
they can simplify 	I can be simplifying
you can be simplifying
he can be simplifying
we can be simplifying
you can be simplifying
they can be simplifying	I can have simplified
you can have simplified
he 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
he 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 can't simplify
you can't simplify
he can't simplify
we can't simplify
you can't simplify
they can't simplify 	I can't be simplifying
you can't be simplifying
he can't be simplifying
we can't be simplifying
you can't be simplifying
they can't be simplifying	I can't have simplified
you can't have simplified
he can't have simplified
we can't have simplified
you can't have simplified
they can't have simplified	I can't have been simplifying
you can't have been simplifying
he can't have been simplifying
we can't have been simplifying
you can't have been simplifying
they can't have been simplifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I simplify?
can you simplify?
can he simplify?
can we simplify?
can you simplify?
can they simplify? 	can I be simplifying?
can you be simplifying?
can he be simplifying?
can we be simplifying?
can you be simplifying?
can they be simplifying? 	can I have simplified?
can you have simplified?
can he 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 he 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't I simplify?
can't you simplify?
can't he simplify?
can't we simplify?
can't you simplify?
can't they simplify? 	can't I be simplifying?
can't you be simplifying?
can't he be simplifying?
can't we be simplifying?
can't you be simplifying?
can't they be simplifying? 	can't I have simplified?
can't you have simplified?
can't he have simplified?
can't we have simplified?
can't you have simplified?
can't they have simplified? 	can't I have been simplifying?
can't you have been simplifying?
can't he have been simplifying?
can't we have been simplifying?
can't you have been simplifying?
can't they have been simplifying?