Coniugazione del verbo inglese
COULD UPTURN

Verbo regolare: upturn - upturned - upturned

Affermazione

Forma semplice	Forma con V-ing
I could upturn you could upturn she could upturn we could upturn you could upturn they could upturn	I could be upturning you could be upturning she could be upturning we could be upturning you could be upturning they could be upturning
Perfetto	Perfetto con V-ing
I could have upturned you could have upturned she could have upturned we could have upturned you could have upturned they could have upturned	I could have been upturning you could have been upturning she could have been upturning we could have been upturning you could have been upturning they could have been upturning

Negazione

Forma semplice	Forma con V-ing
I couldn't upturn you couldn't upturn she couldn't upturn we couldn't upturn you couldn't upturn they couldn't upturn	I couldn't be upturning you couldn't be upturning she couldn't be upturning we couldn't be upturning you couldn't be upturning they couldn't be upturning
Perfetto	Perfetto con V-ing
I couldn't have upturned you couldn't have upturned she couldn't have upturned we couldn't have upturned you couldn't have upturned they couldn't have upturned	I couldn't have been upturning you couldn't have been upturning she couldn't have been upturning we couldn't have been upturning you couldn't have been upturning they couldn't have been upturning

Forma interrogativa

Forma semplice	Forma con V-ing
could I upturn? could you upturn? could she upturn? could we upturn? could you upturn? could they upturn?	could I be upturning? could you be upturning? could she be upturning? could we be upturning? could you be upturning? could they be upturning?
Perfetto	Perfetto con V-ing
could I have upturned? could you have upturned? could she have upturned? could we have upturned? could you have upturned? could they have upturned?	could I have been upturning? could you have been upturning? could she have been upturning? could we have been upturning? could you have been upturning? could they have been upturning?

Forma interro-negativa

Forma semplice	Forma con V-ing
couldn't I upturn? couldn't you upturn? couldn't she upturn? couldn't we upturn? couldn't you upturn? couldn't they upturn?	couldn't I be upturning? couldn't you be upturning? couldn't she be upturning? couldn't we be upturning? couldn't you be upturning? couldn't they be upturning?
Perfetto	Perfetto con V-ing
couldn't I have upturned? couldn't you have upturned? couldn't she have upturned? couldn't we have upturned? couldn't you have upturned? couldn't they have upturned?	couldn't I have been upturning? couldn't you have been upturning? couldn't she have been upturning? couldn't we have been upturning? couldn't you have been upturning? couldn't they have been upturning?