can quantify
Regular verb: quantify - quantified- quantified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can quantify
you can quantify
he can quantify
we can quantify
you can quantify
they can quantify 	I can be quantifying
you can be quantifying
he can be quantifying
we can be quantifying
you can be quantifying
they can be quantifying	I can have quantified
you can have quantified
he can have quantified
we can have quantified
you can have quantified
they can have quantified	I can have been quantifying
you can have been quantifying
he can have been quantifying
we can have been quantifying
you can have been quantifying
they can have been quantifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot quantify
you cannot quantify
he cannot quantify
we cannot quantify
you cannot quantify
they cannot quantify 	I cannot be quantifying
you cannot be quantifying
he cannot be quantifying
we cannot be quantifying
you cannot be quantifying
they cannot be quantifying	I cannot have quantified
you cannot have quantified
he cannot have quantified
we cannot have quantified
you cannot have quantified
they cannot have quantified	I cannot have been quantifying
you cannot have been quantifying
he cannot have been quantifying
we cannot have been quantifying
you cannot have been quantifying
they cannot have been quantifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I quantify?
can you quantify?
can he quantify?
can we quantify?
can you quantify?
can they quantify? 	can I be quantifying?
can you be quantifying?
can he be quantifying?
can we be quantifying?
can you be quantifying?
can they be quantifying? 	can I have quantified?
can you have quantified?
can he have quantified?
can we have quantified?
can you have quantified?
can they have quantified? 	can I have been quantifying?
can you have been quantifying?
can he have been quantifying?
can we have been quantifying?
can you have been quantifying?
can they have been quantifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not quantify?
can you not quantify?
can he not quantify?
can we not quantify?
can you not quantify?
can they not quantify? 	can I not be quantifying?
can you not be quantifying?
can he not be quantifying?
can we not be quantifying?
can you not be quantifying?
can they not be quantifying? 	can I not have quantified?
can you not have quantified?
can he not have quantified?
can we not have quantified?
can you not have quantified?
can they not have quantified? 	can I not have been quantifying?
can you not have been quantifying?
can he not have been quantifying?
can we not have been quantifying?
can you not have been quantifying?
can they not have been quantifying?