Conjugación del verbo inglés COULD UNDERPIN

Verbo regular: underpin - underpinned - underpinned

Afirmación

Forma simple

I could underpin
you could underpin
he could underpin
we could underpin
you could underpin
they could underpin

Forma con V-ing

I could be underpinning
you could be underpinning
he could be underpinning
we could be underpinning
you could be underpinning
they could be underpinning

Perfecto

I could have underpinned
you could have underpinned
he could have underpinned
we could have underpinned
you could have underpinned
they could have underpinned

Perfecto con V-ing

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

Negación

Forma simple

I could not underpin
you could not underpin
he could not underpin
we could not underpin
you could not underpin
they could not underpin

Forma con V-ing

I could not be underpinning
you could not be underpinning
he could not be underpinning
we could not be underpinning
you could not be underpinning
they could not be underpinning

Perfecto

I could not have underpinned
you could not have underpinned
he could not have underpinned
we could not have underpinned
you could not have underpinned
they could not have underpinned

Perfecto con V-ing

I could not have been underpinning
you could not have been underpinning
he could not have been underpinning
we could not have been underpinning
you could not have been underpinning
they could not have been underpinning

Forma interrogativa

Forma simple

could I underpin?
could you underpin?
could he underpin?
could we underpin?
could you underpin?
could they underpin?

Forma con V-ing

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

Perfecto

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

Perfecto con V-ing

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

Forma interro-negativa

Forma simple

could I not underpin?
could you not underpin?
could he not underpin?
could we not underpin?
could you not underpin?
could they not underpin?

Forma con V-ing

could I not be underpinning?
could you not be underpinning?
could he not be underpinning?
could we not be underpinning?
could you not be underpinning?
could they not be underpinning?

Perfecto

could I not have underpinned?
could you not have underpinned?
could he not have underpinned?
could we not have underpinned?
could you not have underpinned?
could they not have underpinned?

Perfecto con V-ing

could I not have been underpinning?
could you not have been underpinning?
could he not have been underpinning?
could we not have been underpinning?
could you not have been underpinning?
could they not have been underpinning?

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