can triangulate
Regular verb: triangulate - triangulated- triangulated

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