can interpolate
Regular verb: interpolate - interpolated- interpolated

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can interpolate
you can interpolate
she can interpolate
we can interpolate
you can interpolate
they can interpolate 	I can be interpolating
you can be interpolating
she can be interpolating
we can be interpolating
you can be interpolating
they can be interpolating	I can have interpolated
you can have interpolated
she can have interpolated
we can have interpolated
you can have interpolated
they can have interpolated	I can have been interpolating
you can have been interpolating
she can have been interpolating
we can have been interpolating
you can have been interpolating
they can have been interpolating	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot interpolate
you cannot interpolate
she cannot interpolate
we cannot interpolate
you cannot interpolate
they cannot interpolate 	I cannot be interpolating
you cannot be interpolating
she cannot be interpolating
we cannot be interpolating
you cannot be interpolating
they cannot be interpolating	I cannot have interpolated
you cannot have interpolated
she cannot have interpolated
we cannot have interpolated
you cannot have interpolated
they cannot have interpolated	I cannot have been interpolating
you cannot have been interpolating
she cannot have been interpolating
we cannot have been interpolating
you cannot have been interpolating
they cannot have been interpolating	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I interpolate?
can you interpolate?
can she interpolate?
can we interpolate?
can you interpolate?
can they interpolate? 	can I be interpolating?
can you be interpolating?
can she be interpolating?
can we be interpolating?
can you be interpolating?
can they be interpolating? 	can I have interpolated?
can you have interpolated?
can she have interpolated?
can we have interpolated?
can you have interpolated?
can they have interpolated? 	can I have been interpolating?
can you have been interpolating?
can she have been interpolating?
can we have been interpolating?
can you have been interpolating?
can they have been interpolating? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not interpolate?
can you not interpolate?
can she not interpolate?
can we not interpolate?
can you not interpolate?
can they not interpolate? 	can I not be interpolating?
can you not be interpolating?
can she not be interpolating?
can we not be interpolating?
can you not be interpolating?
can they not be interpolating? 	can I not have interpolated?
can you not have interpolated?
can she not have interpolated?
can we not have interpolated?
can you not have interpolated?
can they not have interpolated? 	can I not have been interpolating?
can you not have been interpolating?
can she not have been interpolating?
can we not have been interpolating?
can you not have been interpolating?
can they not have been interpolating?