to sum
Regular verb: sum - summed- summed

Indicative 	
Present 	Present continuous 	Preterite 	Preterite continuous 	
I sum
you sum
she sums
we sum
you sum
they sum 	I'msumming
you'resumming
she'ssumming
we'resumming
you'resumming
they'resumming	I summed
you summed
she summed
we summed
you summed
they summed	Iwassumming
youweresumming
shewassumming
weweresumming
youweresumming
theyweresumming	
Present perfect 	Present perfect continuous 	Pluperfect 	Pluperfect continuous 	
I've summed
you've summed
she's summed
we've summed
you've summed
they've summed	I'vebeen summing
you'vebeen summing
she'sbeen summing
we'vebeen summing
you'vebeen summing
they'vebeen summing	I'd summed
you'd summed
she'd summed
we'd summed
you'd summed
they'd summed	I'd been summing
you'd been summing
she'd been summing
we'd been summing
you'd been summing
they'd been summing	
Future 	Future continuous 	Future perfect 	Future perfect continuous 	
I'll sum
you'll sum
she'll sum
we'll sum
you'll sum
they'll sum 	I'll be summing
you'll be summing
she'll be summing
we'll be summing
you'll be summing
they'll be summing	I'll have summed
you'll have summed
she'll have summed
we'll have summed
you'll have summed
they'll have summed	I'll have been summing
you'll have been summing
she'll have been summing
we'll have been summing
you'll have been summing
they'll have been summing	

Conditional 	
Present 	Present continuous 	Past 	Past continuous 	
I'd sum
you'd sum
she'd sum
we'd sum
you'd sum
they'd sum 	I'd be summing
you'd be summing
she'd be summing
we'd be summing
you'd be summing
they'd be summing	I'd have summed
you'd have summed
she'd have summed
we'd have summed
you'd have summed
they'd have summed	I'd have been summing
you'd have been summing
she'd have been summing
we'd have been summing
you'd have been summing
they'd have been summing	

Infinitive 	
Imperative 	
Infinitive 	 	Imperative 	 	
to sum 	 	sum
Let's sum
sum 	 	

Participle 	
Present 	Past 	 	 	
summing	summed