Indicative
Present Indefinite
I am doubtful of
you are doubtful of
he/she/it is doubtful of
we are doubtful of
you are doubtful of
they are doubtful of
Present Continuous
I am being doubtful of
you are being doubtful of
he/she/it is being doubtful of
we are being doubtful of
you are being doubtful of
they are being doubtful of
Present Perfect
I have been doubtful of
you have been doubtful of
he/she/it has been doubtful of
we have been doubtful of
you have been doubtful of
they have been doubtful of
Present Perfect Continuous
I have been being doubtful of
you have been being doubtful of
he/she/it has been being doubtful of
we have been being doubtful of
you have been being doubtful of
they have been being doubtful of
Past Indefinite
I was doubtful of
you were doubtful of
he/she/it was doubtful of
we were doubtful of
you were doubtful of
they were doubtful of
Past Continuous
I was being doubtful of
you were being doubtful of
he/she/it was being doubtful of
we were being doubtful of
you were being doubtful of
they were being doubtful of
Past Perfect
I had been doubtful of
you had been doubtful of
he/she/it had been doubtful of
we had been doubtful of
you had been doubtful of
they had been doubtful of
Past Perfect Continuous
I had been being doubtful of
you had been being doubtful of
he/she/it had been being doubtful of
we had been being doubtful of
you had been being doubtful of
they had been being doubtful of
Future Indefinite
I will be doubtful of
you will be doubtful of
he/she/it will be doubtful of
we will be doubtful of
you will be doubtful of
they will be doubtful of
Future Continuous
I will be being doubtful of
you will be being doubtful of
he/she/it will be being doubtful of
we will be being doubtful of
you will be being doubtful of
they will be being doubtful of
Future Perfect
I will have been doubtful of
you will have been doubtful of
he/she/it will have been doubtful of
we will have been doubtful of
you will have been doubtful of
they will have been doubtful of
Future Perfect Continuous
I will have been being doubtful of
you will have been being doubtful of
he/she/it will have been being doubtful of
we will have been being doubtful of
you will have been being doubtful of
they will have been being doubtful of
Conditional
Conditional Present
I would be doubtful of
you would be doubtful of
he/she/it would be doubtful of
we would be doubtful of
you would be doubtful of
they would be doubtful of
Conditional Present Continuous
I would be being doubtful of
you would be being doubtful of
he/she/it would be being doubtful of
we would be being doubtful of
you would be being doubtful of
they would be being doubtful of
Conditional Perfect
I would have been doubtful of
you would have been doubtful of
he/she/it would have been doubtful of
we would have been doubtful of
you would have been doubtful of
they would have been doubtful of
Conditional Perfect Continuous
I would have been being doubtful of
you would have been being doubtful of
he/she/it would have been being doubtful of
we would have been being doubtful of
you would have been being doubtful of
they would have been being doubtful of