costar: verb conjugation and noun forms

Singular and plural for costar[ˈkəuˈstɑ:]     

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

Conjugation of the verb costar[ˈkəuˈstɑ:], regular     

costar not costarcostar?
All forms Indicative Conditional Participles Infinitives

Indicative

Present Indefinite

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

Present Continuous

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

Present Perfect

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

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

Indicative

Present Indefinite

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

Present Continuous

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

Present Perfect

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

Present Perfect Continuous

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

Past Indefinite

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

Past Continuous

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

Past Perfect

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

Past Perfect Continuous

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

Future Indefinite

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

Future Continuous

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

Future Perfect

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

Future Perfect Continuous

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

Indicative

Present Indefinite

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

Present Continuous

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

Present Perfect

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

Present Perfect Continuous

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

Past Indefinite

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

Past Continuous

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

Past Perfect

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

Past Perfect Continuous

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

Future Indefinite

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

Future Continuous

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

Future Perfect

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

Future Perfect Continuous

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

Conditional

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

Conditional

Conditional Present

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

Conditional Present Continuous

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

Conditional Perfect

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

Conditional Perfect Continuous

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

Conditional

Conditional Present

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

Conditional Present Continuous

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

Conditional Perfect

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

Conditional Perfect Continuous

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

Participles

Present

costarring

Past

costarred

Infinitives

Infinitives

to costar
to have costarred
to be costarring
to have been costarring
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