English verb conjugation COULD TUSK

Regular verb: tusk - tusked - tusked

Affirmation

Simple form

I could tusk
you could tusk
he could tusk
we could tusk
you could tusk
they could tusk

V-ing form

I could be tusking
you could be tusking
he could be tusking
we could be tusking
you could be tusking
they could be tusking

Perfect

I could have tusked
you could have tusked
he 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
he 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
he 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
he 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
he 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
he 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 he tusk?
could we tusk?
could you tusk?
could they tusk?

V-ing form

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

Perfect

could I have tusked?
could you have tusked?
could he 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 he 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 he 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 he 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 he 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 he 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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