English verb conjugation COULD INTONATE

Regular verb: intonate - intonated - intonated

Affirmation

Simple form

I could intonate
you could intonate
he could intonate
we could intonate
you could intonate
they could intonate

V-ing form

I could be intonating
you could be intonating
he could be intonating
we could be intonating
you could be intonating
they could be intonating

Perfect

I could have intonated
you could have intonated
he could have intonated
we could have intonated
you could have intonated
they could have intonated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I intonate?
could you intonate?
could he intonate?
could we intonate?
could you intonate?
could they intonate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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