English verb conjugation COULD ENQUIRE

Regular verb: enquire - enquired - enquired

Affirmation

Simple form

I could enquire
you could enquire
he could enquire
we could enquire
you could enquire
they could enquire

V-ing form

I could be enquiring
you could be enquiring
he could be enquiring
we could be enquiring
you could be enquiring
they could be enquiring

Perfect

I could have enquired
you could have enquired
he could have enquired
we could have enquired
you could have enquired
they could have enquired

V-ing perfect

I could have been enquiring
you could have been enquiring
he could have been enquiring
we could have been enquiring
you could have been enquiring
they could have been enquiring

Negation

Simple form

I couldn't enquire
you couldn't enquire
he couldn't enquire
we couldn't enquire
you couldn't enquire
they couldn't enquire

V-ing form

I couldn't be enquiring
you couldn't be enquiring
he couldn't be enquiring
we couldn't be enquiring
you couldn't be enquiring
they couldn't be enquiring

Perfect

I couldn't have enquired
you couldn't have enquired
he couldn't have enquired
we couldn't have enquired
you couldn't have enquired
they couldn't have enquired

V-ing perfect

I couldn't have been enquiring
you couldn't have been enquiring
he couldn't have been enquiring
we couldn't have been enquiring
you couldn't have been enquiring
they couldn't have been enquiring

Interrogative form

Simple form

could I enquire?
could you enquire?
could he enquire?
could we enquire?
could you enquire?
could they enquire?

V-ing form

could I be enquiring?
could you be enquiring?
could he be enquiring?
could we be enquiring?
could you be enquiring?
could they be enquiring?

Perfect

could I have enquired?
could you have enquired?
could he have enquired?
could we have enquired?
could you have enquired?
could they have enquired?

V-ing perfect

could I have been enquiring?
could you have been enquiring?
could he have been enquiring?
could we have been enquiring?
could you have been enquiring?
could they have been enquiring?

Interro-negative form

Simple form

couldn't I enquire?
couldn't you enquire?
couldn't he enquire?
couldn't we enquire?
couldn't you enquire?
couldn't they enquire?

V-ing form

couldn't I be enquiring?
couldn't you be enquiring?
couldn't he be enquiring?
couldn't we be enquiring?
couldn't you be enquiring?
couldn't they be enquiring?

Perfect

couldn't I have enquired?
couldn't you have enquired?
couldn't he have enquired?
couldn't we have enquired?
couldn't you have enquired?
couldn't they have enquired?

V-ing perfect

couldn't I have been enquiring?
couldn't you have been enquiring?
couldn't he have been enquiring?
couldn't we have been enquiring?
couldn't you have been enquiring?
couldn't they have been enquiring?

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