doubt: verb conjugation and noun forms
Conjugation of the verb doubt[daut],
regular 
Indicative
Present Indefinite
Present Continuous
Present Perfect
Present Perfect Continuous
Past Indefinite
Past Continuous
Past Perfect
Past Perfect Continuous
Future Indefinite
Future Continuous
Future Perfect
Future Perfect Continuous
Indicative
Present Indefinite
I don't doubtyou don't doubt
he/she/it doesn't doubt
we don't doubt
you don't doubt
they don't doubt
Present Continuous
I am not doubtingyou aren't doubting
he/she/it isn't doubting
we aren't doubting
you aren't doubting
they aren't doubting
Present Perfect
I haven't doubtedyou haven't doubted
he/she/it hasn't doubted
we haven't doubted
you haven't doubted
they haven't doubted
Present Perfect Continuous
I haven't been doubtingyou haven't been doubting
he/she/it hasn't been doubting
we haven't been doubting
you haven't been doubting
they haven't been doubting
Past Indefinite
I didn't doubtyou didn't doubt
he/she/it didn't doubt
we didn't doubt
you didn't doubt
they didn't doubt
Past Continuous
I wasn't doubtingyou weren't doubting
he/she/it wasn't doubting
we weren't doubting
you weren't doubting
they weren't doubting
Past Perfect
I hadn't doubtedyou hadn't doubted
he/she/it hadn't doubted
we hadn't doubted
you hadn't doubted
they hadn't doubted
Past Perfect Continuous
I hadn't been doubtingyou hadn't been doubting
he/she/it hadn't been doubting
we hadn't been doubting
you hadn't been doubting
they hadn't been doubting
Future Indefinite
I shan't / won't doubtyou won't doubt
he/she/it won't doubt
we shan't / won't doubt
you won't doubt
they won't doubt
Future Continuous
I shan't / won't be doubtingyou won't be doubting
he/she/it won't be doubting
we shan't / won't be doubting
you won't be doubting
they won't be doubting
Future Perfect
I shan't / won't have doubtedyou won't have doubted
he/she/it won't have doubted
we shan't / won't have doubted
you won't have doubted
they won't have doubted
Future Perfect Continuous
I shan't / won't have been doubtingyou won't have been doubting
he/she/it won't have been doubting
we shan't / won't have been doubting
you won't have been doubting
they won't have been doubting
Indicative
Present Indefinite
do I doubt?do you doubt?
does he/she/it doubt?
do we doubt?
do you doubt?
do they doubt?
Present Continuous
am I doubting?are you doubting?
is he/she/it doubting?
are we doubting?
are you doubting?
are they doubting?
Present Perfect
have I doubted?have you doubted?
has he/she/it doubted?
have we doubted?
have you doubted?
have they doubted?
Present Perfect Continuous
have I been doubting?have you been doubting?
has he/she/it been doubting?
have we been doubting?
have you been doubting?
have they been doubting?
Past Indefinite
did I doubt?did you doubt?
did he/she/it doubt?
did we doubt?
did you doubt?
did they doubt?
Past Continuous
was I doubting?were you doubting?
was he/she/it doubting?
were we doubting?
were you doubting?
were they doubting?
Past Perfect
had I doubted?had you doubted?
had he/she/it doubted?
had we doubted?
had you doubted?
had they doubted?
Past Perfect Continuous
had I been doubting?had you been doubting?
had he/she/it been doubting?
had we been doubting?
had you been doubting?
had they been doubting?
Future Indefinite
will I doubt?will you doubt?
will he/she/it doubt?
will we doubt?
will you doubt?
will they doubt?
Future Continuous
will I be doubting?will you be doubting?
will he/she/it be doubting?
will we be doubting?
will you be doubting?
will they be doubting?
Future Perfect
will I have doubted?will you have doubted?
will he/she/it have doubted?
will we have doubted?
will you have doubted?
will they have doubted?
Future Perfect Continuous
will I have been doubting?will you have been doubting?
will he/she/it have been doubting?
will we have been doubting?
will you have been doubting?
will they have been doubting?
Conditional
Conditional Present
Conditional Present Continuous
Conditional Perfect
Conditional Perfect Continuous
Conditional
Conditional Present
I wouldn't doubtyou wouldn't doubt
he/she/it wouldn't doubt
we wouldn't doubt
you wouldn't doubt
they wouldn't doubt
Conditional Present Continuous
I wouldn't be doubtingyou wouldn't be doubting
he/she/it wouldn't be doubting
we wouldn't be doubting
you wouldn't be doubting
they wouldn't be doubting
Conditional Perfect
I wouldn't have doubtedyou wouldn't have doubted
he/she/it wouldn't have doubted
we wouldn't have doubted
you wouldn't have doubted
they wouldn't have doubted
Conditional Perfect Continuous
I wouldn't have been doubtingyou wouldn't have been doubting
he/she/it wouldn't have been doubting
we wouldn't have been doubting
you wouldn't have been doubting
they wouldn't have been doubting
Conditional
Conditional Present
would I doubt?would you doubt?
would he/she/it doubt?
would we doubt?
would you doubt?
would they doubt?
Conditional Present Continuous
would I be doubting?would you be doubting?
would he/she/it be doubting?
would we be doubting?
would you be doubting?
would they be doubting?
Conditional Perfect
would I have doubted?would you have doubted?
would he/she/it have doubted?
would we have doubted?
would you have doubted?
would they have doubted?
Conditional Perfect Continuous
would I have been doubting?would you have been doubting?
would he/she/it have been doubting?
would we have been doubting?
would you have been doubting?
would they have been doubting?
Participles
Present
Past
Infinitives
Infinitives
Popular English Verbs
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