I would doubt you would doubt he would doubt we would doubt you would doubt they would doubt
V-ing form
I would be doubting you would be doubting he would be doubting we would be doubting you would be doubting they would be doubting
Perfect
I would have doubted you would have doubted he would have doubted we would have doubted you would have doubted they would have doubted
V-ing perfect
I would have been doubting you would have been doubting he would have been doubting we would have been doubting you would have been doubting they would have been doubting
Negation
Simple form
I would not doubt you would not doubt he would not doubt we would not doubt you would not doubt they would not doubt
V-ing form
I would not be doubting you would not be doubting he would not be doubting we would not be doubting you would not be doubting they would not be doubting
Perfect
I would not have doubted you would not have doubted he would not have doubted we would not have doubted you would not have doubted they would not have doubted
V-ing perfect
I would not have been doubting you would not have been doubting he would not have been doubting we would not have been doubting you would not have been doubting they would not have been doubting
Interrogative form
Simple form
would I doubt? would you doubt? would he doubt? would we doubt? would you doubt? would they doubt?
V-ing form
would I be doubting? would you be doubting? would he be doubting? would we be doubting? would you be doubting? would they be doubting?
Perfect
would I have doubted? would you have doubted? would he have doubted? would we have doubted? would you have doubted? would they have doubted?
V-ing perfect
would I have been doubting? would you have been doubting? would he have been doubting? would we have been doubting? would you have been doubting? would they have been doubting?
Interro-negative form
Simple form
would I not doubt? would you not doubt? would he not doubt? would we not doubt? would you not doubt? would they not doubt?
V-ing form
would I not be doubting? would you not be doubting? would he not be doubting? would we not be doubting? would you not be doubting? would they not be doubting?
Perfect
would I not have doubted? would you not have doubted? would he not have doubted? would we not have doubted? would you not have doubted? would they not have doubted?
V-ing perfect
would I not have been doubting? would you not have been doubting? would he not have been doubting? would we not have been doubting? would you not have been doubting? would they not have been doubting?