to stack
Regular verb: stack - stacked- stacked

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
 don't I stack?
don't you stack?
doesn't he stack?
don't we stack?
don't you stack?
don't they stack? 	amI not stacking?
aren't you stacking?
isn't he stacking?
aren't we stacking?
aren't you stacking?
aren't they stacking? 	didn't I stack?
didn't you stack?
didn't he stack?
didn't we stack?
didn't you stack?
didn't they stack? 	wasn't I stacking?
weren't you stacking?
wasn't he stacking?
weren't we stacking?
weren't you stacking?
weren't they stacking? 	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
haven't I stacked?
haven't you stacked?
hasn't he stacked?
haven't we stacked?
haven't you stacked?
haven't they stacked? 	haven't I been stacking?
haven't you been stacking?
hasn't he been stacking?
haven't we been stacking?
haven't you been stacking?
haven't they been stacking? 	hadn't I stacked?
hadn't you stacked?
hadn't he stacked?
hadn't we stacked?
hadn't you stacked?
hadn't they stacked? 	hadn't I been stacking?
hadn't you been stacking?
hadn't he been stacking?
hadn't we been stacking?
hadn't you been stacking?
hadn't they been stacking? 	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
won't I stack?
won't you stack?
won't he stack?
won't we stack?
won't you stack?
won't they stack? 	won't I be stacking?
won't you be stacking?
won't he be stacking?
won't we be stacking?
won't you be stacking?
won't they be stacking? 	won't I have stacked?
won't you have stacked?
won't he have stacked?
won't we have stacked?
won't you have stacked?
won't they have stacked? 	won't I have been stacking?
won't you have been stacking?
won't he have been stacking?
won't we have been stacking?
won't you have been stacking?
won't they have been stacking? 	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
wouldn't I stack?
wouldn't you stack?
wouldn't he stack?
wouldn't we stack?
wouldn't you stack?
wouldn't they stack? 	wouldn't I be stacking?
wouldn't you be stacking?
wouldn't he be stacking?
wouldn't we be stacking?
wouldn't you be stacking?
wouldn't they be stacking? 	wouldn't I have stacked?
wouldn't you have stacked?
wouldn't he have stacked?
wouldn't we have stacked?
wouldn't you have stacked?
wouldn't they have stacked? 	wouldn't I have been stacking?
wouldn't you have been stacking?
wouldn't he have been stacking?
wouldn't we have been stacking?
wouldn't you have been stacking?
wouldn't they have been stacking? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to stack 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
stacking	stacked