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