would doubt
Regular verb: doubt - doubted- doubted

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I'd doubt
you'd doubt
she'd doubt
we'd doubt
you'd doubt
they'd doubt 	I'd be doubting
you'd be doubting
she'd be doubting
we'd be doubting
you'd be doubting
they'd be doubting	I would've doubted
you would've doubted
she would've doubted
we would've doubted
you would've doubted
they would've doubted	I would've been doubting
you would've been doubting
she would've been doubting
we would've been doubting
you would've been doubting
they would've been doubting	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I wouldn't doubt
you wouldn't doubt
she wouldn't doubt
we wouldn't doubt
you wouldn't doubt
they wouldn't doubt 	I wouldn't be doubting
you wouldn't be doubting
she wouldn't be doubting
we wouldn't be doubting
you wouldn't be doubting
they wouldn't be doubting	I wouldn't have doubted
you wouldn't have doubted
she wouldn't have doubted
we wouldn't have doubted
you wouldn't have doubted
they wouldn't have doubted	I wouldn't have been doubting
you wouldn't have been doubting
she wouldn't have been doubting
we wouldn't have been doubting
you wouldn't have been doubting
they wouldn't have been doubting	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
would I doubt?
would you doubt?
would she doubt?
would we doubt?
would you doubt?
would they doubt? 	would I be doubting?
would you be doubting?
would she be doubting?
would we be doubting?
would you be doubting?
would they be doubting? 	would I have doubted?
would you have doubted?
would she have doubted?
would we have doubted?
would you have doubted?
would they have doubted? 	would I have been doubting?
would you have been doubting?
would she have been doubting?
would we have been doubting?
would you have been doubting?
would they have been doubting? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
wouldn't I doubt?
wouldn't you doubt?
wouldn't she doubt?
wouldn't we doubt?
wouldn't you doubt?
wouldn't they doubt? 	wouldn't I be doubting?
wouldn't you be doubting?
wouldn't she be doubting?
wouldn't we be doubting?
wouldn't you be doubting?
wouldn't they be doubting? 	wouldn't I have doubted?
wouldn't you have doubted?
wouldn't she have doubted?
wouldn't we have doubted?
wouldn't you have doubted?
wouldn't they have doubted? 	wouldn't I have been doubting?
wouldn't you have been doubting?
wouldn't she have been doubting?
wouldn't we have been doubting?
wouldn't you have been doubting?
wouldn't they have been doubting?