Coniugazione del verbo inglese
COULD HEIGHTEN

Verbo regolare: heighten - heightened - heightened

Affermazione

Forma semplice	Forma con V-ing
I could heighten you could heighten she could heighten we could heighten you could heighten they could heighten	I could be heightening you could be heightening she could be heightening we could be heightening you could be heightening they could be heightening
Perfetto	Perfetto con V-ing
I could have heightened you could have heightened she could have heightened we could have heightened you could have heightened they could have heightened	I could have been heightening you could have been heightening she could have been heightening we could have been heightening you could have been heightening they could have been heightening

Negazione

Forma semplice	Forma con V-ing
I couldn't heighten you couldn't heighten she couldn't heighten we couldn't heighten you couldn't heighten they couldn't heighten	I couldn't be heightening you couldn't be heightening she couldn't be heightening we couldn't be heightening you couldn't be heightening they couldn't be heightening
Perfetto	Perfetto con V-ing
I couldn't have heightened you couldn't have heightened she couldn't have heightened we couldn't have heightened you couldn't have heightened they couldn't have heightened	I couldn't have been heightening you couldn't have been heightening she couldn't have been heightening we couldn't have been heightening you couldn't have been heightening they couldn't have been heightening

Forma interrogativa

Forma semplice	Forma con V-ing
could I heighten? could you heighten? could she heighten? could we heighten? could you heighten? could they heighten?	could I be heightening? could you be heightening? could she be heightening? could we be heightening? could you be heightening? could they be heightening?
Perfetto	Perfetto con V-ing
could I have heightened? could you have heightened? could she have heightened? could we have heightened? could you have heightened? could they have heightened?	could I have been heightening? could you have been heightening? could she have been heightening? could we have been heightening? could you have been heightening? could they have been heightening?

Forma interro-negativa

Forma semplice	Forma con V-ing
couldn't I heighten? couldn't you heighten? couldn't she heighten? couldn't we heighten? couldn't you heighten? couldn't they heighten?	couldn't I be heightening? couldn't you be heightening? couldn't she be heightening? couldn't we be heightening? couldn't you be heightening? couldn't they be heightening?
Perfetto	Perfetto con V-ing
couldn't I have heightened? couldn't you have heightened? couldn't she have heightened? couldn't we have heightened? couldn't you have heightened? couldn't they have heightened?	couldn't I have been heightening? couldn't you have been heightening? couldn't she have been heightening? couldn't we have been heightening? couldn't you have been heightening? couldn't they have been heightening?