Coniugazione del verbo inglese COULD UNDERPIN

Verbo regolare: underpin - underpinned - underpinned

Affermazione

Forma semplice

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

Perfetto

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

Perfetto 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

Negazione

Forma semplice

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

Forma con V-ing

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

Perfetto

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

Perfetto con V-ing

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

Forma interrogativa

Forma semplice

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?

Perfetto

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

Perfetto 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 semplice

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

Forma con V-ing

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

Perfetto

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

Perfetto con V-ing

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

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