English verb conjugation COULD WAVE

Regular verb: wave - waved - waved

Affirmation

Simple form

I could wave
you could wave
he could wave
we could wave
you could wave
they could wave

V-ing form

I could be waving
you could be waving
he could be waving
we could be waving
you could be waving
they could be waving

Perfect

I could have waved
you could have waved
he could have waved
we could have waved
you could have waved
they could have waved

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I wave?
could you wave?
could he wave?
could we wave?
could you wave?
could they wave?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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