can triangulate
Regular verb: triangulate - triangulated- triangulated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can triangulate
you can triangulate
she can triangulate
we can triangulate
you can triangulate
they can triangulate 	I can be triangulating
you can be triangulating
she can be triangulating
we can be triangulating
you can be triangulating
they can be triangulating	I can have triangulated
you can have triangulated
she can have triangulated
we can have triangulated
you can have triangulated
they can have triangulated	I can have been triangulating
you can have been triangulating
she can have been triangulating
we can have been triangulating
you can have been triangulating
they can have been triangulating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can't triangulate
you can't triangulate
she can't triangulate
we can't triangulate
you can't triangulate
they can't triangulate 	I can't be triangulating
you can't be triangulating
she can't be triangulating
we can't be triangulating
you can't be triangulating
they can't be triangulating	I can't have triangulated
you can't have triangulated
she can't have triangulated
we can't have triangulated
you can't have triangulated
they can't have triangulated	I can't have been triangulating
you can't have been triangulating
she can't have been triangulating
we can't have been triangulating
you can't have been triangulating
they can't have been triangulating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I triangulate?
can you triangulate?
can she triangulate?
can we triangulate?
can you triangulate?
can they triangulate? 	can I be triangulating?
can you be triangulating?
can she be triangulating?
can we be triangulating?
can you be triangulating?
can they be triangulating? 	can I have triangulated?
can you have triangulated?
can she have triangulated?
can we have triangulated?
can you have triangulated?
can they have triangulated? 	can I have been triangulating?
can you have been triangulating?
can she have been triangulating?
can we have been triangulating?
can you have been triangulating?
can they have been triangulating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can't I triangulate?
can't you triangulate?
can't she triangulate?
can't we triangulate?
can't you triangulate?
can't they triangulate? 	can't I be triangulating?
can't you be triangulating?
can't she be triangulating?
can't we be triangulating?
can't you be triangulating?
can't they be triangulating? 	can't I have triangulated?
can't you have triangulated?
can't she have triangulated?
can't we have triangulated?
can't you have triangulated?
can't they have triangulated? 	can't I have been triangulating?
can't you have been triangulating?
can't she have been triangulating?
can't we have been triangulating?
can't you have been triangulating?
can't they have been triangulating?