English verb conjugation
OUGHT TO INQUIRE

Regular verb: inquire - inquired - inquired

Affirmation

Simple form	V-ing form
I ought to inquire you ought to inquire he ought to inquire we ought to inquire you ought to inquire they ought to inquire	I ought to be inquiring you ought to be inquiring he ought to be inquiring we ought to be inquiring you ought to be inquiring they ought to be inquiring
Perfect	V-ing perfect
I ought to have inquired you ought to have inquired he ought to have inquired we ought to have inquired you ought to have inquired they ought to have inquired	I ought to have been inquiring you ought to have been inquiring he ought to have been inquiring we ought to have been inquiring you ought to have been inquiring they ought to have been inquiring

Negation

Simple form	V-ing form
I oughtn't to inquire you oughtn't to inquire he oughtn't to inquire we oughtn't to inquire you oughtn't to inquire they oughtn't to inquire	I oughtn't to be inquiring you oughtn't to be inquiring he oughtn't to be inquiring we oughtn't to be inquiring you oughtn't to be inquiring they oughtn't to be inquiring
Perfect	V-ing perfect
I oughtn't to have inquired you oughtn't to have inquired he oughtn't to have inquired we oughtn't to have inquired you oughtn't to have inquired they oughtn't to have inquired	I oughtn't to have been inquiring you oughtn't to have been inquiring he oughtn't to have been inquiring we oughtn't to have been inquiring you oughtn't to have been inquiring they oughtn't to have been inquiring

Interrogative form

Simple form	V-ing form
ought to I inquire? ought to you inquire? ought to he inquire? ought to we inquire? ought to you inquire? ought to they inquire?	ought to I be inquiring? ought to you be inquiring? ought to he be inquiring? ought to we be inquiring? ought to you be inquiring? ought to they be inquiring?
Perfect	V-ing perfect
ought to I have inquired? ought to you have inquired? ought to he have inquired? ought to we have inquired? ought to you have inquired? ought to they have inquired?	ought to I have been inquiring? ought to you have been inquiring? ought to he have been inquiring? ought to we have been inquiring? ought to you have been inquiring? ought to they have been inquiring?

Interro-negative form

Simple form	V-ing form
oughtn't I to inquire? oughtn't you to inquire? oughtn't he to inquire? oughtn't we to inquire? oughtn't you to inquire? oughtn't they to inquire?	oughtn't I to be inquiring? oughtn't you to be inquiring? oughtn't he to be inquiring? oughtn't we to be inquiring? oughtn't you to be inquiring? oughtn't they to be inquiring?
Perfect	V-ing perfect
oughtn't I to have inquired? oughtn't you to have inquired? oughtn't he to have inquired? oughtn't we to have inquired? oughtn't you to have inquired? oughtn't they to have inquired?	oughtn't I to have been inquiring? oughtn't you to have been inquiring? oughtn't he to have been inquiring? oughtn't we to have been inquiring? oughtn't you to have been inquiring? oughtn't they to have been inquiring?