can caliper
Regular verb: caliper - calipered- calipered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can caliper
you can caliper
she can caliper
we can caliper
you can caliper
they can caliper 	I can be calipering
you can be calipering
she can be calipering
we can be calipering
you can be calipering
they can be calipering	I can have calipered
you can have calipered
she can have calipered
we can have calipered
you can have calipered
they can have calipered	I can have been calipering
you can have been calipering
she can have been calipering
we can have been calipering
you can have been calipering
they can have been calipering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot caliper
you cannot caliper
she cannot caliper
we cannot caliper
you cannot caliper
they cannot caliper 	I cannot be calipering
you cannot be calipering
she cannot be calipering
we cannot be calipering
you cannot be calipering
they cannot be calipering	I cannot have calipered
you cannot have calipered
she cannot have calipered
we cannot have calipered
you cannot have calipered
they cannot have calipered	I cannot have been calipering
you cannot have been calipering
she cannot have been calipering
we cannot have been calipering
you cannot have been calipering
they cannot have been calipering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I caliper?
can you caliper?
can she caliper?
can we caliper?
can you caliper?
can they caliper? 	can I be calipering?
can you be calipering?
can she be calipering?
can we be calipering?
can you be calipering?
can they be calipering? 	can I have calipered?
can you have calipered?
can she have calipered?
can we have calipered?
can you have calipered?
can they have calipered? 	can I have been calipering?
can you have been calipering?
can she have been calipering?
can we have been calipering?
can you have been calipering?
can they have been calipering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not caliper?
can you not caliper?
can she not caliper?
can we not caliper?
can you not caliper?
can they not caliper? 	can I not be calipering?
can you not be calipering?
can she not be calipering?
can we not be calipering?
can you not be calipering?
can they not be calipering? 	can I not have calipered?
can you not have calipered?
can she not have calipered?
can we not have calipered?
can you not have calipered?
can they not have calipered? 	can I not have been calipering?
can you not have been calipering?
can she not have been calipering?
can we not have been calipering?
can you not have been calipering?
can they not have been calipering?