Coniugazione del verbo inglese COULD RESEARCH

Verbo regolare: research - researched - researched

Affermazione

Forma semplice

I could research
you could research
he could research
we could research
you could research
they could research

Forma con V-ing

I could be researching
you could be researching
he could be researching
we could be researching
you could be researching
they could be researching

Perfetto

I could have researched
you could have researched
he could have researched
we could have researched
you could have researched
they could have researched

Perfetto con V-ing

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

Negazione

Forma semplice

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

Forma con V-ing

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

Perfetto

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

Perfetto con V-ing

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

Forma interrogativa

Forma semplice

could I research?
could you research?
could he research?
could we research?
could you research?
could they research?

Forma con V-ing

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

Perfetto

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

Perfetto con V-ing

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

Forma interro-negativa

Forma semplice

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

Forma con V-ing

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

Perfetto

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

Perfetto con V-ing

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

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