will quintuple
Regular verb: quintuple - quintupled- quintupled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will quintuple
you will quintuple
he will quintuple
we will quintuple
you will quintuple
they will quintuple 	I will be quintupling
you will be quintupling
he will be quintupling
we will be quintupling
you will be quintupling
they will be quintupling	I will have quintupled
you will have quintupled
he will have quintupled
we will have quintupled
you will have quintupled
they will have quintupled	I will have been quintupling
you will have been quintupling
he will have been quintupling
we will have been quintupling
you will have been quintupling
they will have been quintupling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I will not quintuple
you will not quintuple
he will not quintuple
we will not quintuple
you will not quintuple
they will not quintuple 	I will not be quintupling
you will not be quintupling
he will not be quintupling
we will not be quintupling
you will not be quintupling
they will not be quintupling	I will not have quintupled
you will not have quintupled
he will not have quintupled
we will not have quintupled
you will not have quintupled
they will not have quintupled	I will not have been quintupling
you will not have been quintupling
he will not have been quintupling
we will not have been quintupling
you will not have been quintupling
they will not have been quintupling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I quintuple?
will you quintuple?
will he quintuple?
will we quintuple?
will you quintuple?
will they quintuple? 	will I be quintupling?
will you be quintupling?
will he be quintupling?
will we be quintupling?
will you be quintupling?
will they be quintupling? 	will I have quintupled?
will you have quintupled?
will he have quintupled?
will we have quintupled?
will you have quintupled?
will they have quintupled? 	will I have been quintupling?
will you have been quintupling?
will he have been quintupling?
will we have been quintupling?
will you have been quintupling?
will they have been quintupling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I not quintuple?
will you not quintuple?
will he not quintuple?
will we not quintuple?
will you not quintuple?
will they not quintuple? 	will I not be quintupling?
will you not be quintupling?
will he not be quintupling?
will we not be quintupling?
will you not be quintupling?
will they not be quintupling? 	will I not have quintupled?
will you not have quintupled?
will he not have quintupled?
will we not have quintupled?
will you not have quintupled?
will they not have quintupled? 	will I not have been quintupling?
will you not have been quintupling?
will he not have been quintupling?
will we not have been quintupling?
will you not have been quintupling?
will they not have been quintupling?