will riff
Verbo regular: riff - riffed- riffed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I will riff
you will riff
he will riff
we will riff
you will riff
they will riff 	I will be riffing
you will be riffing
he will be riffing
we will be riffing
you will be riffing
they will be riffing	I will have riffed
you will have riffed
he will have riffed
we will have riffed
you will have riffed
they will have riffed	I will have been riffing
you will have been riffing
he will have been riffing
we will have been riffing
you will have been riffing
they will have been riffing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I will not riff
you will not riff
he will not riff
we will not riff
you will not riff
they will not riff 	I will not be riffing
you will not be riffing
he will not be riffing
we will not be riffing
you will not be riffing
they will not be riffing	I will not have riffed
you will not have riffed
he will not have riffed
we will not have riffed
you will not have riffed
they will not have riffed	I will not have been riffing
you will not have been riffing
he will not have been riffing
we will not have been riffing
you will not have been riffing
they will not have been riffing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
will I riff?
will you riff?
will he riff?
will we riff?
will you riff?
will they riff? 	will I be riffing?
will you be riffing?
will he be riffing?
will we be riffing?
will you be riffing?
will they be riffing? 	will I have riffed?
will you have riffed?
will he have riffed?
will we have riffed?
will you have riffed?
will they have riffed? 	will I have been riffing?
will you have been riffing?
will he have been riffing?
will we have been riffing?
will you have been riffing?
will they have been riffing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
will I not riff?
will you not riff?
will he not riff?
will we not riff?
will you not riff?
will they not riff? 	will I not be riffing?
will you not be riffing?
will he not be riffing?
will we not be riffing?
will you not be riffing?
will they not be riffing? 	will I not have riffed?
will you not have riffed?
will he not have riffed?
will we not have riffed?
will you not have riffed?
will they not have riffed? 	will I not have been riffing?
will you not have been riffing?
will he not have been riffing?
will we not have been riffing?
will you not have been riffing?
will they not have been riffing?