can presolve
Regular verb: presolve - presolved- presolved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can presolve
you can presolve
she can presolve
we can presolve
you can presolve
they can presolve 	I can be presolving
you can be presolving
she can be presolving
we can be presolving
you can be presolving
they can be presolving	I can have presolved
you can have presolved
she can have presolved
we can have presolved
you can have presolved
they can have presolved	I can have been presolving
you can have been presolving
she can have been presolving
we can have been presolving
you can have been presolving
they can have been presolving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot presolve
you cannot presolve
she cannot presolve
we cannot presolve
you cannot presolve
they cannot presolve 	I cannot be presolving
you cannot be presolving
she cannot be presolving
we cannot be presolving
you cannot be presolving
they cannot be presolving	I cannot have presolved
you cannot have presolved
she cannot have presolved
we cannot have presolved
you cannot have presolved
they cannot have presolved	I cannot have been presolving
you cannot have been presolving
she cannot have been presolving
we cannot have been presolving
you cannot have been presolving
they cannot have been presolving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I presolve?
can you presolve?
can she presolve?
can we presolve?
can you presolve?
can they presolve? 	can I be presolving?
can you be presolving?
can she be presolving?
can we be presolving?
can you be presolving?
can they be presolving? 	can I have presolved?
can you have presolved?
can she have presolved?
can we have presolved?
can you have presolved?
can they have presolved? 	can I have been presolving?
can you have been presolving?
can she have been presolving?
can we have been presolving?
can you have been presolving?
can they have been presolving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not presolve?
can you not presolve?
can she not presolve?
can we not presolve?
can you not presolve?
can they not presolve? 	can I not be presolving?
can you not be presolving?
can she not be presolving?
can we not be presolving?
can you not be presolving?
can they not be presolving? 	can I not have presolved?
can you not have presolved?
can she not have presolved?
can we not have presolved?
can you not have presolved?
can they not have presolved? 	can I not have been presolving?
can you not have been presolving?
can she not have been presolving?
can we not have been presolving?
can you not have been presolving?
can they not have been presolving?