would quack
Regular verb: quack - quacked- quacked

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

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I would not quack
you would not quack
he would not quack
we would not quack
you would not quack
they would not quack 	I would not be quacking
you would not be quacking
he would not be quacking
we would not be quacking
you would not be quacking
they would not be quacking	I would not have quacked
you would not have quacked
he would not have quacked
we would not have quacked
you would not have quacked
they would not have quacked	I would not have been quacking
you would not have been quacking
he would not have been quacking
we would not have been quacking
you would not have been quacking
they would not have been quacking	

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

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