will quack
Regular verb: quack - quacked- quacked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'll quack
you'll quack
he'll quack
we'll quack
you'll quack
they'll quack 	I'll be quacking
you'll be quacking
he'll be quacking
we'll be quacking
you'll be quacking
they'll be quacking	I'll have quacked
you'll have quacked
he'll have quacked
we'll have quacked
you'll have quacked
they'll have quacked	I'll have been quacking
you'll have been quacking
he'll have been quacking
we'll have been quacking
you'll have been quacking
they'll have been quacking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I won't quack
you won't quack
he won't quack
we won't quack
you won't quack
they won't quack 	I won't be quacking
you won't be quacking
he won't be quacking
we won't be quacking
you won't be quacking
they won't be quacking	I won't have quacked
you won't have quacked
he won't have quacked
we won't have quacked
you won't have quacked
they won't have quacked	I won't have been quacking
you won't have been quacking
he won't have been quacking
we won't have been quacking
you won't have been quacking
they won't have been quacking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
will I quack?
will you quack?
will he quack?
will we quack?
will you quack?
will they quack? 	will I be quacking?
will you be quacking?
will he be quacking?
will we be quacking?
will you be quacking?
will they be quacking? 	will I have quacked?
will you have quacked?
will he have quacked?
will we have quacked?
will you have quacked?
will they have quacked? 	will I have been quacking?
will you have been quacking?
will he have been quacking?
will we have been quacking?
will you have been quacking?
will they have been quacking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
won't I quack?
won't you quack?
won't he quack?
won't we quack?
won't you quack?
won't they quack? 	won't I be quacking?
won't you be quacking?
won't he be quacking?
won't we be quacking?
won't you be quacking?
won't they be quacking? 	won't I have quacked?
won't you have quacked?
won't he have quacked?
won't we have quacked?
won't you have quacked?
won't they have quacked? 	won't I have been quacking?
won't you have been quacking?
won't he have been quacking?
won't we have been quacking?
won't you have been quacking?
won't they have been quacking?