English verb conjugation
OUGHT TO ENQUIRE

Regular verb: enquire - enquired - enquired

Affirmation

Simple form	V-ing form
I ought to enquire you ought to enquire he ought to enquire we ought to enquire you ought to enquire they ought to enquire	I ought to be enquiring you ought to be enquiring he ought to be enquiring we ought to be enquiring you ought to be enquiring they ought to be enquiring
Perfect	V-ing perfect
I ought to have enquired you ought to have enquired he ought to have enquired we ought to have enquired you ought to have enquired they ought to have enquired	I ought to have been enquiring you ought to have been enquiring he ought to have been enquiring we ought to have been enquiring you ought to have been enquiring they ought to have been enquiring

Negation

Simple form	V-ing form
I oughtn't to enquire you oughtn't to enquire he oughtn't to enquire we oughtn't to enquire you oughtn't to enquire they oughtn't to enquire	I oughtn't to be enquiring you oughtn't to be enquiring he oughtn't to be enquiring we oughtn't to be enquiring you oughtn't to be enquiring they oughtn't to be enquiring
Perfect	V-ing perfect
I oughtn't to have enquired you oughtn't to have enquired he oughtn't to have enquired we oughtn't to have enquired you oughtn't to have enquired they oughtn't to have enquired	I oughtn't to have been enquiring you oughtn't to have been enquiring he oughtn't to have been enquiring we oughtn't to have been enquiring you oughtn't to have been enquiring they oughtn't to have been enquiring

Interrogative form

Simple form	V-ing form
ought to I enquire? ought to you enquire? ought to he enquire? ought to we enquire? ought to you enquire? ought to they enquire?	ought to I be enquiring? ought to you be enquiring? ought to he be enquiring? ought to we be enquiring? ought to you be enquiring? ought to they be enquiring?
Perfect	V-ing perfect
ought to I have enquired? ought to you have enquired? ought to he have enquired? ought to we have enquired? ought to you have enquired? ought to they have enquired?	ought to I have been enquiring? ought to you have been enquiring? ought to he have been enquiring? ought to we have been enquiring? ought to you have been enquiring? ought to they have been enquiring?

Interro-negative form

Simple form	V-ing form
oughtn't I to enquire? oughtn't you to enquire? oughtn't he to enquire? oughtn't we to enquire? oughtn't you to enquire? oughtn't they to enquire?	oughtn't I to be enquiring? oughtn't you to be enquiring? oughtn't he to be enquiring? oughtn't we to be enquiring? oughtn't you to be enquiring? oughtn't they to be enquiring?
Perfect	V-ing perfect
oughtn't I to have enquired? oughtn't you to have enquired? oughtn't he to have enquired? oughtn't we to have enquired? oughtn't you to have enquired? oughtn't they to have enquired?	oughtn't I to have been enquiring? oughtn't you to have been enquiring? oughtn't he to have been enquiring? oughtn't we to have been enquiring? oughtn't you to have been enquiring? oughtn't they to have been enquiring?