I ought to depressurise you ought to depressurise he ought to depressurise we ought to depressurise you ought to depressurise they ought to depressurise
V-ing form
I ought to be depressurising you ought to be depressurising he ought to be depressurising we ought to be depressurising you ought to be depressurising they ought to be depressurising
Perfect
I ought to have depressurised you ought to have depressurised he ought to have depressurised we ought to have depressurised you ought to have depressurised they ought to have depressurised
V-ing perfect
I ought to have been depressurising you ought to have been depressurising he ought to have been depressurising we ought to have been depressurising you ought to have been depressurising they ought to have been depressurising
Negation
Simple form
I oughtn't to depressurise you oughtn't to depressurise he oughtn't to depressurise we oughtn't to depressurise you oughtn't to depressurise they oughtn't to depressurise
V-ing form
I oughtn't to be depressurising you oughtn't to be depressurising he oughtn't to be depressurising we oughtn't to be depressurising you oughtn't to be depressurising they oughtn't to be depressurising
Perfect
I oughtn't to have depressurised you oughtn't to have depressurised he oughtn't to have depressurised we oughtn't to have depressurised you oughtn't to have depressurised they oughtn't to have depressurised
V-ing perfect
I oughtn't to have been depressurising you oughtn't to have been depressurising he oughtn't to have been depressurising we oughtn't to have been depressurising you oughtn't to have been depressurising they oughtn't to have been depressurising
Interrogative form
Simple form
ought to I depressurise? ought to you depressurise? ought to he depressurise? ought to we depressurise? ought to you depressurise? ought to they depressurise?
V-ing form
ought to I be depressurising? ought to you be depressurising? ought to he be depressurising? ought to we be depressurising? ought to you be depressurising? ought to they be depressurising?
Perfect
ought to I have depressurised? ought to you have depressurised? ought to he have depressurised? ought to we have depressurised? ought to you have depressurised? ought to they have depressurised?
V-ing perfect
ought to I have been depressurising? ought to you have been depressurising? ought to he have been depressurising? ought to we have been depressurising? ought to you have been depressurising? ought to they have been depressurising?
Interro-negative form
Simple form
oughtn't I to depressurise? oughtn't you to depressurise? oughtn't he to depressurise? oughtn't we to depressurise? oughtn't you to depressurise? oughtn't they to depressurise?
V-ing form
oughtn't I to be depressurising? oughtn't you to be depressurising? oughtn't he to be depressurising? oughtn't we to be depressurising? oughtn't you to be depressurising? oughtn't they to be depressurising?
Perfect
oughtn't I to have depressurised? oughtn't you to have depressurised? oughtn't he to have depressurised? oughtn't we to have depressurised? oughtn't you to have depressurised? oughtn't they to have depressurised?
V-ing perfect
oughtn't I to have been depressurising? oughtn't you to have been depressurising? oughtn't he to have been depressurising? oughtn't we to have been depressurising? oughtn't you to have been depressurising? oughtn't they to have been depressurising?