English verb conjugation COULD TUSK

Regular verb: tusk - tusked - tusked

Affirmation

Simple form

I could tusk
you could tusk
she could tusk
we could tusk
you could tusk
they could tusk

V-ing form

I could be tusking
you could be tusking
she could be tusking
we could be tusking
you could be tusking
they could be tusking

Perfect

I could have tusked
you could have tusked
she could have tusked
we could have tusked
you could have tusked
they could have tusked

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I tusk?
could you tusk?
could she tusk?
could we tusk?
could you tusk?
could they tusk?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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