Coniugazione del verbo inglese COULD RESEARCH
Verbo regolare: research - researched - researched
Affermazione
Forma semplice
I could researchyou could research
she could research
we could research
you could research
they could research
Forma con V-ing
I could be researchingyou could be researching
she could be researching
we could be researching
you could be researching
they could be researching
Perfetto
I could have researchedyou could have researched
she could have researched
we could have researched
you could have researched
they could have researched
Perfetto con V-ing
I could have been researchingyou could have been researching
she 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 researchyou couldn't research
she couldn't research
we couldn't research
you couldn't research
they couldn't research
Forma con V-ing
I couldn't be researchingyou couldn't be researching
she couldn't be researching
we couldn't be researching
you couldn't be researching
they couldn't be researching
Perfetto
I couldn't have researchedyou couldn't have researched
she 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 researchingyou couldn't have been researching
she 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 she research?
could we research?
could you research?
could they research?
Forma con V-ing
could I be researching?could you be researching?
could she be researching?
could we be researching?
could you be researching?
could they be researching?
Perfetto
could I have researched?could you have researched?
could she 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 she 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 she 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 she 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 she 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 she have been researching?
couldn't we have been researching?
couldn't you have been researching?
couldn't they have been researching?