can preformulate
Regular verb: preformulate - preformulated- preformulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can preformulate
you can preformulate
she can preformulate
we can preformulate
you can preformulate
they can preformulate 	I can be preformulating
you can be preformulating
she can be preformulating
we can be preformulating
you can be preformulating
they can be preformulating	I can have preformulated
you can have preformulated
she can have preformulated
we can have preformulated
you can have preformulated
they can have preformulated	I can have been preformulating
you can have been preformulating
she can have been preformulating
we can have been preformulating
you can have been preformulating
they can have been preformulating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot preformulate
you cannot preformulate
she cannot preformulate
we cannot preformulate
you cannot preformulate
they cannot preformulate 	I cannot be preformulating
you cannot be preformulating
she cannot be preformulating
we cannot be preformulating
you cannot be preformulating
they cannot be preformulating	I cannot have preformulated
you cannot have preformulated
she cannot have preformulated
we cannot have preformulated
you cannot have preformulated
they cannot have preformulated	I cannot have been preformulating
you cannot have been preformulating
she cannot have been preformulating
we cannot have been preformulating
you cannot have been preformulating
they cannot have been preformulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I preformulate?
can you preformulate?
can she preformulate?
can we preformulate?
can you preformulate?
can they preformulate? 	can I be preformulating?
can you be preformulating?
can she be preformulating?
can we be preformulating?
can you be preformulating?
can they be preformulating? 	can I have preformulated?
can you have preformulated?
can she have preformulated?
can we have preformulated?
can you have preformulated?
can they have preformulated? 	can I have been preformulating?
can you have been preformulating?
can she have been preformulating?
can we have been preformulating?
can you have been preformulating?
can they have been preformulating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not preformulate?
can you not preformulate?
can she not preformulate?
can we not preformulate?
can you not preformulate?
can they not preformulate? 	can I not be preformulating?
can you not be preformulating?
can she not be preformulating?
can we not be preformulating?
can you not be preformulating?
can they not be preformulating? 	can I not have preformulated?
can you not have preformulated?
can she not have preformulated?
can we not have preformulated?
can you not have preformulated?
can they not have preformulated? 	can I not have been preformulating?
can you not have been preformulating?
can she not have been preformulating?
can we not have been preformulating?
can you not have been preformulating?
can they not have been preformulating?