English verb conjugation
MAY ENQUIRE

Regular verb: enquire - enquired - enquired

Affirmation

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

Negation

Simple form	V-ing form
I may not enquire you may not enquire he may not enquire we may not enquire you may not enquire they may not enquire	I may not be enquiring you may not be enquiring he may not be enquiring we may not be enquiring you may not be enquiring they may not be enquiring
Perfect	V-ing perfect
I may not have enquired you may not have enquired he may not have enquired we may not have enquired you may not have enquired they may not have enquired	I may not have been enquiring you may not have been enquiring he may not have been enquiring we may not have been enquiring you may not have been enquiring they may not have been enquiring

Interrogative form

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

Interro-negative form

Simple form	V-ing form
may I not enquire? may you not enquire? may he not enquire? may we not enquire? may you not enquire? may they not enquire?	may I not be enquiring? may you not be enquiring? may he not be enquiring? may we not be enquiring? may you not be enquiring? may they not be enquiring?
Perfect	V-ing perfect
may I not have enquired? may you not have enquired? may he not have enquired? may we not have enquired? may you not have enquired? may they not have enquired?	may I not have been enquiring? may you not have been enquiring? may he not have been enquiring? may we not have been enquiring? may you not have been enquiring? may they not have been enquiring?