English verb conjugation COULD PRESIGNAL

Regular verb: presignal - presignaled - presignaled

Affirmation

Simple form

I could presignal
you could presignal
he could presignal
we could presignal
you could presignal
they could presignal

V-ing form

I could be presignaling
you could be presignaling
he could be presignaling
we could be presignaling
you could be presignaling
they could be presignaling

Perfect

I could have presignaled
you could have presignaled
he could have presignaled
we could have presignaled
you could have presignaled
they could have presignaled

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I presignal?
could you presignal?
could he presignal?
could we presignal?
could you presignal?
could they presignal?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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