Conjugation and declension of "costar" in English

Declension of the noun costar[ˈkəuˈstɑ:]     

Singular
Plural
Singular
Common case
costar
costars
Possessive case
costar's
costars'
Singular
costar
costars

Conjugation of the verb costar[ˈkəuˈstɑ:]     

All forms IndefiniteContinuousPerfectPerfect ContinuousInfinitivesParticiples

Present Indefinite

I costar
you costar
he/she/it costars
we costar
you costar
they costar

Present Perfect

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

Present Continuous

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

Present Perfect Continuous

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

Past Indefinite

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

Past Continuous

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

Past Perfect

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

Past Perfect Continuous

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

Future Indefinite

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

Future Continuous

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

Future Perfect

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

Future Perfect Continuous

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

Conditional Present

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

Conditional Present Continuous

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

Conditional Perfect

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

Conditional Perfect Continuous

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

Participles

costarred
costarring

Infinitives

to costar
to have costarred
to be costarring
to have been costarring
Did you find any mistake or inaccuracy? Please write to us.

In this section you can decline nouns and adjectives, conjugate verbs in all modes and tenses in 7 languages - English, German, French, Spanish, Italian, Portuguese and Russian. Learn the rules of conjugation and declension and see translations in context.