to quintuple
Regular verb: quintuple - quintupled- quintupled

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I quintuple
you quintuple
he quintuples
we quintuple
you quintuple
they quintuple 	Iamquintupling
youarequintupling
heisquintupling
wearequintupling
youarequintupling
theyarequintupling	I quintupled
you quintupled
he quintupled
we quintupled
you quintupled
they quintupled	Iwasquintupling
youwerequintupling
hewasquintupling
wewerequintupling
youwerequintupling
theywerequintupling	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have quintupled
you have quintupled
he has quintupled
we have quintupled
you have quintupled
they have quintupled	I have been quintupling
you have been quintupling
hehasbeen quintupling
we have been quintupling
you have been quintupling
they have been quintupling	I had quintupled
you had quintupled
he had quintupled
we had quintupled
you had quintupled
they had quintupled	I had been quintupling
you had been quintupling
he had been quintupling
we had been quintupling
you had been quintupling
they had been quintupling	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
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	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I would quintuple
you would quintuple
he would quintuple
we would quintuple
you would quintuple
they would quintuple 	I would be quintupling
you would be quintupling
he would be quintupling
we would be quintupling
you would be quintupling
they would be quintupling	I would have quintupled
you would have quintupled
he would have quintupled
we would have quintupled
you would have quintupled
they would have quintupled	I would have been quintupling
you would have been quintupling
he would have been quintupling
we would have been quintupling
you would have been quintupling
they would have been quintupling	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to quintuple 	 	quintuple
Let's quintuple
quintuple 	 	

Participle 	
Present 	Past 	 	 	
quintupling	quintupled