to quack
Regular verb: quack - quacked- quacked

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I quack
you quack
he quacks
we quack
you quack
they quack 	Iamquacking
youarequacking
heisquacking
wearequacking
youarequacking
theyarequacking	I quacked
you quacked
he quacked
we quacked
you quacked
they quacked	Iwasquacking
youwerequacking
hewasquacking
wewerequacking
youwerequacking
theywerequacking	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I have quacked
you have quacked
he has quacked
we have quacked
you have quacked
they have quacked	I have been quacking
you have been quacking
hehasbeen quacking
we have been quacking
you have been quacking
they have been quacking	I had quacked
you had quacked
he had quacked
we had quacked
you had quacked
they had quacked	I had been quacking
you had been quacking
he had been quacking
we had been quacking
you had been quacking
they had been quacking	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I will quack
you will quack
he will quack
we will quack
you will quack
they will quack 	I will be quacking
you will be quacking
he will be quacking
we will be quacking
you will be quacking
they will be quacking	I will have quacked
you will have quacked
he will have quacked
we will have quacked
you will have quacked
they will have quacked	I will have been quacking
you will have been quacking
he will have been quacking
we will have been quacking
you will have been quacking
they will have been quacking	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
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	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to quack 	 	quack
Let's quack
quack 	 	

Participle 	
Present 	Past 	 	 	
quacking	quacked