English verb conjugation COULD DRILL

Regular verb: drill - drilled - drilled

Affirmation

Simple form

I could drill
you could drill
she could drill
we could drill
you could drill
they could drill

V-ing form

I could be drilling
you could be drilling
she could be drilling
we could be drilling
you could be drilling
they could be drilling

Perfect

I could have drilled
you could have drilled
she could have drilled
we could have drilled
you could have drilled
they could have drilled

V-ing perfect

I could have been drilling
you could have been drilling
she could have been drilling
we could have been drilling
you could have been drilling
they could have been drilling

Negation

Simple form

I couldn't drill
you couldn't drill
she couldn't drill
we couldn't drill
you couldn't drill
they couldn't drill

V-ing form

I couldn't be drilling
you couldn't be drilling
she couldn't be drilling
we couldn't be drilling
you couldn't be drilling
they couldn't be drilling

Perfect

I couldn't have drilled
you couldn't have drilled
she couldn't have drilled
we couldn't have drilled
you couldn't have drilled
they couldn't have drilled

V-ing perfect

I couldn't have been drilling
you couldn't have been drilling
she couldn't have been drilling
we couldn't have been drilling
you couldn't have been drilling
they couldn't have been drilling

Interrogative form

Simple form

could I drill?
could you drill?
could she drill?
could we drill?
could you drill?
could they drill?

V-ing form

could I be drilling?
could you be drilling?
could she be drilling?
could we be drilling?
could you be drilling?
could they be drilling?

Perfect

could I have drilled?
could you have drilled?
could she have drilled?
could we have drilled?
could you have drilled?
could they have drilled?

V-ing perfect

could I have been drilling?
could you have been drilling?
could she have been drilling?
could we have been drilling?
could you have been drilling?
could they have been drilling?

Interro-negative form

Simple form

couldn't I drill?
couldn't you drill?
couldn't she drill?
couldn't we drill?
couldn't you drill?
couldn't they drill?

V-ing form

couldn't I be drilling?
couldn't you be drilling?
couldn't she be drilling?
couldn't we be drilling?
couldn't you be drilling?
couldn't they be drilling?

Perfect

couldn't I have drilled?
couldn't you have drilled?
couldn't she have drilled?
couldn't we have drilled?
couldn't you have drilled?
couldn't they have drilled?

V-ing perfect

couldn't I have been drilling?
couldn't you have been drilling?
couldn't she have been drilling?
couldn't we have been drilling?
couldn't you have been drilling?
couldn't they have been drilling?

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