can preformulate
Regular verb: preformulate - preformulated- preformulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can preformulate
you can preformulate
he can preformulate
we can preformulate
you can preformulate
they can preformulate 	I can be preformulating
you can be preformulating
he can be preformulating
we can be preformulating
you can be preformulating
they can be preformulating	I can have preformulated
you can have preformulated
he 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
he 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 can't preformulate
you can't preformulate
he can't preformulate
we can't preformulate
you can't preformulate
they can't preformulate 	I can't be preformulating
you can't be preformulating
he can't be preformulating
we can't be preformulating
you can't be preformulating
they can't be preformulating	I can't have preformulated
you can't have preformulated
he can't have preformulated
we can't have preformulated
you can't have preformulated
they can't have preformulated	I can't have been preformulating
you can't have been preformulating
he can't have been preformulating
we can't have been preformulating
you can't have been preformulating
they can't have been preformulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I preformulate?
can you preformulate?
can he preformulate?
can we preformulate?
can you preformulate?
can they preformulate? 	can I be preformulating?
can you be preformulating?
can he be preformulating?
can we be preformulating?
can you be preformulating?
can they be preformulating? 	can I have preformulated?
can you have preformulated?
can he 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 he 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't I preformulate?
can't you preformulate?
can't he preformulate?
can't we preformulate?
can't you preformulate?
can't they preformulate? 	can't I be preformulating?
can't you be preformulating?
can't he be preformulating?
can't we be preformulating?
can't you be preformulating?
can't they be preformulating? 	can't I have preformulated?
can't you have preformulated?
can't he have preformulated?
can't we have preformulated?
can't you have preformulated?
can't they have preformulated? 	can't I have been preformulating?
can't you have been preformulating?
can't he have been preformulating?
can't we have been preformulating?
can't you have been preformulating?
can't they have been preformulating?