to stack
Regular verb: stack - stacked- stacked

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
 do I stack?
do you stack?
doesshe stack?
do we stack?
do you stack?
do they stack? 	amI stacking?
areyou stacking?
isshe stacking?
arewe stacking?
areyou stacking?
arethey stacking? 	did I stack?
did you stack?
did she stack?
did we stack?
did you stack?
did they stack? 	wasI stacking?
wereyou stacking?
wasshe stacking?
werewe stacking?
wereyou stacking?
werethey stacking? 	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
 have I stacked?
have you stacked?
hasshe stacked?
have we stacked?
have you stacked?
have they stacked? 	 have I been stacking?
have you been stacking?
hasshe been stacking?
have we been stacking?
have you been stacking?
have they been stacking? 	had I stacked?
had you stacked?
had she stacked?
had we stacked?
had you stacked?
had they stacked? 	had I been stacking?
had you been stacking?
had she been stacking?
had we been stacking?
had you been stacking?
had they been stacking? 	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
 will I stack?
 will you stack?
 will she stack?
 will we stack?
 will you stack?
 will they stack? 	 will I be stacking?
 will you be stacking?
 will she be stacking?
 will we be stacking?
 will you be stacking?
 will they be stacking? 	 will I have stacked?
 will you have stacked?
 will she have stacked?
 will we have stacked?
 will you have stacked?
 will they have stacked? 	 will I have been stacking?
 will you have been stacking?
 will she have been stacking?
 will we have been stacking?
 will you have been stacking?
 will they have been stacking? 	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
 would I stack?
 would you stack?
 would she stack?
 would we stack?
 would you stack?
 would they stack? 	 would I be stacking?
 would you be stacking?
 would she be stacking?
 would we be stacking?
 would you be stacking?
 would they be stacking? 	 would I have stacked?
 would you have stacked?
 would she have stacked?
 would we have stacked?
 would you have stacked?
 would they have stacked? 	 would I have been stacking?
 would you have been stacking?
 would she have been stacking?
 would we have been stacking?
 would you have been stacking?
 would they have been stacking? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to stack 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
stacking	stacked