fission: verb conjugation and noun forms

Singular and plural for fission[ˈfɪʃən]     

Singular
Plural
Singular
Common case
fission
fissions
Possessive case
fission's
fissions'
Plural
fissions
fissions'

Conjugation of the verb fission[ˈfɪʃən], regular     

fission not fissionfission?
All forms Indicative Conditional Participles Infinitives

Indicative

Present Indefinite

I fission
you fission
he/she/it fissions
we fission
you fission
they fission

Present Continuous

I am fissioning
you are fissioning
he/she/it is fissioning
we are fissioning
you are fissioning
they are fissioning

Present Perfect

I have fissioned
you have fissioned
he/she/it has fissioned
we have fissioned
you have fissioned
they have fissioned

Present Perfect Continuous

I have been fissioning
you have been fissioning
he/she/it has been fissioning
we have been fissioning
you have been fissioning
they have been fissioning

Past Indefinite

I fissioned
you fissioned
he/she/it fissioned
we fissioned
you fissioned
they fissioned

Past Continuous

I was fissioning
you were fissioning
he/she/it was fissioning
we were fissioning
you were fissioning
they were fissioning

Past Perfect

I had fissioned
you had fissioned
he/she/it had fissioned
we had fissioned
you had fissioned
they had fissioned

Past Perfect Continuous

I had been fissioning
you had been fissioning
he/she/it had been fissioning
we had been fissioning
you had been fissioning
they had been fissioning

Future Indefinite

I will fission
you will fission
he/she/it will fission
we will fission
you will fission
they will fission

Future Continuous

I will be fissioning
you will be fissioning
he/she/it will be fissioning
we will be fissioning
you will be fissioning
they will be fissioning

Future Perfect

I will have fissioned
you will have fissioned
he/she/it will have fissioned
we will have fissioned
you will have fissioned
they will have fissioned

Future Perfect Continuous

I will have been fissioning
you will have been fissioning
he/she/it will have been fissioning
we will have been fissioning
you will have been fissioning
they will have been fissioning

Indicative

Present Indefinite

I don't fission
you don't fission
he/she/it doesn't fission
we don't fission
you don't fission
they don't fission

Present Continuous

I am not fissioning
you aren't fissioning
he/she/it isn't fissioning
we aren't fissioning
you aren't fissioning
they aren't fissioning

Present Perfect

I haven't fissioned
you haven't fissioned
he/she/it hasn't fissioned
we haven't fissioned
you haven't fissioned
they haven't fissioned

Present Perfect Continuous

I haven't been fissioning
you haven't been fissioning
he/she/it hasn't been fissioning
we haven't been fissioning
you haven't been fissioning
they haven't been fissioning

Past Indefinite

I didn't fission
you didn't fission
he/she/it didn't fission
we didn't fission
you didn't fission
they didn't fission

Past Continuous

I wasn't fissioning
you weren't fissioning
he/she/it wasn't fissioning
we weren't fissioning
you weren't fissioning
they weren't fissioning

Past Perfect

I hadn't fissioned
you hadn't fissioned
he/she/it hadn't fissioned
we hadn't fissioned
you hadn't fissioned
they hadn't fissioned

Past Perfect Continuous

I hadn't been fissioning
you hadn't been fissioning
he/she/it hadn't been fissioning
we hadn't been fissioning
you hadn't been fissioning
they hadn't been fissioning

Future Indefinite

I shan't / won't fission
you won't fission
he/she/it won't fission
we shan't / won't fission
you won't fission
they won't fission

Future Continuous

I shan't / won't be fissioning
you won't be fissioning
he/she/it won't be fissioning
we shan't / won't be fissioning
you won't be fissioning
they won't be fissioning

Future Perfect

I shan't / won't have fissioned
you won't have fissioned
he/she/it won't have fissioned
we shan't / won't have fissioned
you won't have fissioned
they won't have fissioned

Future Perfect Continuous

I shan't / won't have been fissioning
you won't have been fissioning
he/she/it won't have been fissioning
we shan't / won't have been fissioning
you won't have been fissioning
they won't have been fissioning

Indicative

Present Indefinite

do I fission?
do you fission?
does he/she/it fission?
do we fission?
do you fission?
do they fission?

Present Continuous

am I fissioning?
are you fissioning?
is he/she/it fissioning?
are we fissioning?
are you fissioning?
are they fissioning?

Present Perfect

have I fissioned?
have you fissioned?
has he/she/it fissioned?
have we fissioned?
have you fissioned?
have they fissioned?

Present Perfect Continuous

have I been fissioning?
have you been fissioning?
has he/she/it been fissioning?
have we been fissioning?
have you been fissioning?
have they been fissioning?

Past Indefinite

did I fission?
did you fission?
did he/she/it fission?
did we fission?
did you fission?
did they fission?

Past Continuous

was I fissioning?
were you fissioning?
was he/she/it fissioning?
were we fissioning?
were you fissioning?
were they fissioning?

Past Perfect

had I fissioned?
had you fissioned?
had he/she/it fissioned?
had we fissioned?
had you fissioned?
had they fissioned?

Past Perfect Continuous

had I been fissioning?
had you been fissioning?
had he/she/it been fissioning?
had we been fissioning?
had you been fissioning?
had they been fissioning?

Future Indefinite

will I fission?
will you fission?
will he/she/it fission?
will we fission?
will you fission?
will they fission?

Future Continuous

will I be fissioning?
will you be fissioning?
will he/she/it be fissioning?
will we be fissioning?
will you be fissioning?
will they be fissioning?

Future Perfect

will I have fissioned?
will you have fissioned?
will he/she/it have fissioned?
will we have fissioned?
will you have fissioned?
will they have fissioned?

Future Perfect Continuous

will I have been fissioning?
will you have been fissioning?
will he/she/it have been fissioning?
will we have been fissioning?
will you have been fissioning?
will they have been fissioning?

Conditional

Conditional Present

I would fission
you would fission
he/she/it would fission
we would fission
you would fission
they would fission

Conditional Present Continuous

I would be fissioning
you would be fissioning
he/she/it would be fissioning
we would be fissioning
you would be fissioning
they would be fissioning

Conditional Perfect

I would have fissioned
you would have fissioned
he/she/it would have fissioned
we would have fissioned
you would have fissioned
they would have fissioned

Conditional Perfect Continuous

I would have been fissioning
you would have been fissioning
he/she/it would have been fissioning
we would have been fissioning
you would have been fissioning
they would have been fissioning

Conditional

Conditional Present

I wouldn't fission
you wouldn't fission
he/she/it wouldn't fission
we wouldn't fission
you wouldn't fission
they wouldn't fission

Conditional Present Continuous

I wouldn't be fissioning
you wouldn't be fissioning
he/she/it wouldn't be fissioning
we wouldn't be fissioning
you wouldn't be fissioning
they wouldn't be fissioning

Conditional Perfect

I wouldn't have fissioned
you wouldn't have fissioned
he/she/it wouldn't have fissioned
we wouldn't have fissioned
you wouldn't have fissioned
they wouldn't have fissioned

Conditional Perfect Continuous

I wouldn't have been fissioning
you wouldn't have been fissioning
he/she/it wouldn't have been fissioning
we wouldn't have been fissioning
you wouldn't have been fissioning
they wouldn't have been fissioning

Conditional

Conditional Present

would I fission?
would you fission?
would he/she/it fission?
would we fission?
would you fission?
would they fission?

Conditional Present Continuous

would I be fissioning?
would you be fissioning?
would he/she/it be fissioning?
would we be fissioning?
would you be fissioning?
would they be fissioning?

Conditional Perfect

would I have fissioned?
would you have fissioned?
would he/she/it have fissioned?
would we have fissioned?
would you have fissioned?
would they have fissioned?

Conditional Perfect Continuous

would I have been fissioning?
would you have been fissioning?
would he/she/it have been fissioning?
would we have been fissioning?
would you have been fissioning?
would they have been fissioning?

Participles

Present

fissioning

Past

fissioned

Infinitives

Infinitives

to fission
to have fissioned
to be fissioning
to have been fissioning

Superlative and Comparative Forms of fission[ˈfɪʃən]     

Positive

fission
Did you find any mistake or inaccuracy? Please write to us.

English Verb Conjugation Online

PROMT.One helps you quickly check English verb forms online. Enter a verb and instantly get a table with the base form, the 3rd person singular form, the Past Simple form, the Past Participle form, and the -ing form, as well as conjugation across all 12 tenses with examples.

What the Table Shows

The service displays English verb forms by person, number, and tense, including regular, irregular, and phrasal verbs. This is useful for studying, translation, writing, and quick grammar checks.

How to Use It

  • Enter an English verb in the search box.
  • Click Search.
  • Get a table of forms, tenses, and usage examples.

Frequently Asked Questions

Which forms does the service show?
The base form, the 3rd person singular form, the Past Simple form, the Past Participle form, and the -ing form.

Does the service show irregular verbs?
Yes. PROMT.One shows irregular English verb forms and their usage across tenses.

Can I check a phrasal verb?
Yes. The service supports phrasal verbs and shows their forms together with examples.

Try it now: enter an English verb and get a complete table of forms and tenses in PROMT.One.

PROMT.One is a fast and helpful tool for any language learner. Check the conjugation of verbs and see the table of tenses for English, German, Russian, French, Italian, Portuguese and Spanish.