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