to quack
Regular verb: quack - quacked- quacked

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
 don't I quack?
don't you quack?
doesn't he quack?
don't we quack?
don't you quack?
don't they quack? 	amI not quacking?
aren't you quacking?
isn't he quacking?
aren't we quacking?
aren't you quacking?
aren't they quacking? 	didn't I quack?
didn't you quack?
didn't he quack?
didn't we quack?
didn't you quack?
didn't they quack? 	wasn't I quacking?
weren't you quacking?
wasn't he quacking?
weren't we quacking?
weren't you quacking?
weren't they quacking? 	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
haven't I quacked?
haven't you quacked?
hasn't he quacked?
haven't we quacked?
haven't you quacked?
haven't they quacked? 	haven't I been quacking?
haven't you been quacking?
hasn't he been quacking?
haven't we been quacking?
haven't you been quacking?
haven't they been quacking? 	hadn't I quacked?
hadn't you quacked?
hadn't he quacked?
hadn't we quacked?
hadn't you quacked?
hadn't they quacked? 	hadn't I been quacking?
hadn't you been quacking?
hadn't he been quacking?
hadn't we been quacking?
hadn't you been quacking?
hadn't they been quacking? 	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
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? 	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
wouldn't I quack?
wouldn't you quack?
wouldn't he quack?
wouldn't we quack?
wouldn't you quack?
wouldn't they quack? 	wouldn't I be quacking?
wouldn't you be quacking?
wouldn't he be quacking?
wouldn't we be quacking?
wouldn't you be quacking?
wouldn't they be quacking? 	wouldn't I have quacked?
wouldn't you have quacked?
wouldn't he have quacked?
wouldn't we have quacked?
wouldn't you have quacked?
wouldn't they have quacked? 	wouldn't I have been quacking?
wouldn't you have been quacking?
wouldn't he have been quacking?
wouldn't we have been quacking?
wouldn't you have been quacking?
wouldn't they have been quacking? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to quack 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
quacking	quacked