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Other forms to sum ? | do not sum | female gender | 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 am summing
you are summing
he is summing
we are summing
you are summing
they are 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 have summed
you have summed
he has summed
we have summed
you have summed
they have summed
Present perfect continuous
I have been summing
you have been summing
he has been summing
we have been summing
you have been summing
they have been summing
Pluperfect
I had summed
you had summed
he had summed
we had summed
you had summed
they had summed
Pluperfect continuous
I had been summing
you had been summing
he had been summing
we had been summing
you had been summing
they had been summing
Future
I will sum
you will sum
he will sum
we will sum
you will sum
they will sum
Future continuous
I will be summing
you will be summing
he will be summing
we will be summing
you will be summing
they will be summing
Future perfect
I will have summed
you will have summed
he will have summed
we will have summed
you will have summed
they will have summed
Future perfect continuous
I will have been summing
you will have been summing
he will have been summing
we will have been summing
you will have been summing
they will have been summing

Conditional

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

Imperative

Imperative
sum
Let's sum
sum
 
 
 

Infinitive

Infinitive
to sum
 
 
 

Participle

Present
summing
Past
summed