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
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