I ought to bituminise you ought to bituminise she ought to bituminise we ought to bituminise you ought to bituminise they ought to bituminise
V-ing form
I ought to be bituminising you ought to be bituminising she ought to be bituminising we ought to be bituminising you ought to be bituminising they ought to be bituminising
Perfect
I ought to have bituminised you ought to have bituminised she ought to have bituminised we ought to have bituminised you ought to have bituminised they ought to have bituminised
V-ing perfect
I ought to have been bituminising you ought to have been bituminising she ought to have been bituminising we ought to have been bituminising you ought to have been bituminising they ought to have been bituminising
Negation
Simple form
I oughtn't to bituminise you oughtn't to bituminise she oughtn't to bituminise we oughtn't to bituminise you oughtn't to bituminise they oughtn't to bituminise
V-ing form
I oughtn't to be bituminising you oughtn't to be bituminising she oughtn't to be bituminising we oughtn't to be bituminising you oughtn't to be bituminising they oughtn't to be bituminising
Perfect
I oughtn't to have bituminised you oughtn't to have bituminised she oughtn't to have bituminised we oughtn't to have bituminised you oughtn't to have bituminised they oughtn't to have bituminised
V-ing perfect
I oughtn't to have been bituminising you oughtn't to have been bituminising she oughtn't to have been bituminising we oughtn't to have been bituminising you oughtn't to have been bituminising they oughtn't to have been bituminising
Interrogative form
Simple form
ought to I bituminise? ought to you bituminise? ought to she bituminise? ought to we bituminise? ought to you bituminise? ought to they bituminise?
V-ing form
ought to I be bituminising? ought to you be bituminising? ought to she be bituminising? ought to we be bituminising? ought to you be bituminising? ought to they be bituminising?
Perfect
ought to I have bituminised? ought to you have bituminised? ought to she have bituminised? ought to we have bituminised? ought to you have bituminised? ought to they have bituminised?
V-ing perfect
ought to I have been bituminising? ought to you have been bituminising? ought to she have been bituminising? ought to we have been bituminising? ought to you have been bituminising? ought to they have been bituminising?
Interro-negative form
Simple form
oughtn't I to bituminise? oughtn't you to bituminise? oughtn't she to bituminise? oughtn't we to bituminise? oughtn't you to bituminise? oughtn't they to bituminise?
V-ing form
oughtn't I to be bituminising? oughtn't you to be bituminising? oughtn't she to be bituminising? oughtn't we to be bituminising? oughtn't you to be bituminising? oughtn't they to be bituminising?
Perfect
oughtn't I to have bituminised? oughtn't you to have bituminised? oughtn't she to have bituminised? oughtn't we to have bituminised? oughtn't you to have bituminised? oughtn't they to have bituminised?
V-ing perfect
oughtn't I to have been bituminising? oughtn't you to have been bituminising? oughtn't she to have been bituminising? oughtn't we to have been bituminising? oughtn't you to have been bituminising? oughtn't they to have been bituminising?