Coniugazione del verbo inglese
COULD PERCH

Verbo regolare: perch - perched - perched

Affermazione

Forma semplice	Forma con V-ing
I could perch you could perch he could perch we could perch you could perch they could perch	I could be perching you could be perching he could be perching we could be perching you could be perching they could be perching
Perfetto	Perfetto con V-ing
I could have perched you could have perched he could have perched we could have perched you could have perched they could have perched	I could have been perching you could have been perching he could have been perching we could have been perching you could have been perching they could have been perching

Negazione

Forma semplice	Forma con V-ing
I couldn't perch you couldn't perch he couldn't perch we couldn't perch you couldn't perch they couldn't perch	I couldn't be perching you couldn't be perching he couldn't be perching we couldn't be perching you couldn't be perching they couldn't be perching
Perfetto	Perfetto con V-ing
I couldn't have perched you couldn't have perched he couldn't have perched we couldn't have perched you couldn't have perched they couldn't have perched	I couldn't have been perching you couldn't have been perching he couldn't have been perching we couldn't have been perching you couldn't have been perching they couldn't have been perching

Forma interrogativa

Forma semplice	Forma con V-ing
could I perch? could you perch? could he perch? could we perch? could you perch? could they perch?	could I be perching? could you be perching? could he be perching? could we be perching? could you be perching? could they be perching?
Perfetto	Perfetto con V-ing
could I have perched? could you have perched? could he have perched? could we have perched? could you have perched? could they have perched?	could I have been perching? could you have been perching? could he have been perching? could we have been perching? could you have been perching? could they have been perching?

Forma interro-negativa

Forma semplice	Forma con V-ing
couldn't I perch? couldn't you perch? couldn't he perch? couldn't we perch? couldn't you perch? couldn't they perch?	couldn't I be perching? couldn't you be perching? couldn't he be perching? couldn't we be perching? couldn't you be perching? couldn't they be perching?
Perfetto	Perfetto con V-ing
couldn't I have perched? couldn't you have perched? couldn't he have perched? couldn't we have perched? couldn't you have perched? couldn't they have perched?	couldn't I have been perching? couldn't you have been perching? couldn't he have been perching? couldn't we have been perching? couldn't you have been perching? couldn't they have been perching?