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Other forms to sum ? | do not sum | female gender | remove contraction
Modal : no | may | might | can | could | shall | should | will | would | must | ought to

English verb conjugation TO SUM

Regular verb: sum - summed - summed

Indicative

Present
I sum
you sum
he sums
we sum
you sum
they sum
Present continuous
I'm summing
you're summing
he's summing
we're summing
you're summing
they're summing
Preterite
I summed
you summed
he summed
we summed
you summed
they summed
Preterite continuous
I was summing
you were summing
he was summing
we were summing
you were summing
they were summing
Present perfect
I've summed
you've summed
he's summed
we've summed
you've summed
they've summed
Present perfect continuous
I've been summing
you've been summing
he's been summing
we've been summing
you've been summing
they've been summing
Pluperfect
I'd summed
you'd summed
he'd summed
we'd summed
you'd summed
they'd summed
Pluperfect continuous
I'd been summing
you'd been summing
he'd been summing
we'd been summing
you'd been summing
they'd been summing
Future
I'll sum
you'll sum
he'll sum
we'll sum
you'll sum
they'll sum
Future continuous
I'll be summing
you'll be summing
he'll be summing
we'll be summing
you'll be summing
they'll be summing
Future perfect
I'll have summed
you'll have summed
he'll have summed
we'll have summed
you'll have summed
they'll have summed
Future perfect continuous
I'll have been summing
you'll have been summing
he'll have been summing
we'll have been summing
you'll have been summing
they'll have been summing

Conditional

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

Imperative

Imperative
sum
Let's sum
sum
 
 
 

Infinitive

Infinitive
to sum
 
 
 

Participle

Present
summing
Past
summed