English verb conjugation COULD TEASE

Regular verb: tease - teased - teased

Affirmation

Simple form

I could tease
you could tease
he could tease
we could tease
you could tease
they could tease

V-ing form

I could be teasing
you could be teasing
he could be teasing
we could be teasing
you could be teasing
they could be teasing

Perfect

I could have teased
you could have teased
he could have teased
we could have teased
you could have teased
they could have teased

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I tease?
could you tease?
could he tease?
could we tease?
could you tease?
could they tease?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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