to sum
Regular verb: sum - summed- summed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
 don't I sum?
don't you sum?
doesn't she sum?
don't we sum?
don't you sum?
don't they sum? 	amI not summing?
aren't you summing?
isn't she summing?
aren't we summing?
aren't you summing?
aren't they summing? 	didn't I sum?
didn't you sum?
didn't she sum?
didn't we sum?
didn't you sum?
didn't they sum? 	wasn't I summing?
weren't you summing?
wasn't she summing?
weren't we summing?
weren't you summing?
weren't they summing? 	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
haven't I summed?
haven't you summed?
hasn't she summed?
haven't we summed?
haven't you summed?
haven't they summed? 	haven't I been summing?
haven't you been summing?
hasn't she been summing?
haven't we been summing?
haven't you been summing?
haven't they been summing? 	hadn't I summed?
hadn't you summed?
hadn't she summed?
hadn't we summed?
hadn't you summed?
hadn't they summed? 	hadn't I been summing?
hadn't you been summing?
hadn't she been summing?
hadn't we been summing?
hadn't you been summing?
hadn't they been summing? 	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
won't I sum?
won't you sum?
won't she sum?
won't we sum?
won't you sum?
won't they sum? 	won't I be summing?
won't you be summing?
won't she be summing?
won't we be summing?
won't you be summing?
won't they be summing? 	won't I have summed?
won't you have summed?
won't she have summed?
won't we have summed?
won't you have summed?
won't they have summed? 	won't I have been summing?
won't you have been summing?
won't she have been summing?
won't we have been summing?
won't you have been summing?
won't they have been summing? 	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
wouldn't I sum?
wouldn't you sum?
wouldn't she sum?
wouldn't we sum?
wouldn't you sum?
wouldn't they sum? 	wouldn't I be summing?
wouldn't you be summing?
wouldn't she be summing?
wouldn't we be summing?
wouldn't you be summing?
wouldn't they be summing? 	wouldn't I have summed?
wouldn't you have summed?
wouldn't she have summed?
wouldn't we have summed?
wouldn't you have summed?
wouldn't they have summed? 	wouldn't I have been summing?
wouldn't you have been summing?
wouldn't she have been summing?
wouldn't we have been summing?
wouldn't you have been summing?
wouldn't they have been summing? 	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to sum 	 	-
-
- 	 	

Participle 	
Present 	Past 	 	 	
summing	summed