Verbo regolare: lengthen - lengthened - lengthened
Affermazione
Forma semplice
I could lengthen you could lengthen he could lengthen we could lengthen you could lengthen they could lengthen
Forma con V-ing
I could be lengthening you could be lengthening he could be lengthening we could be lengthening you could be lengthening they could be lengthening
Perfetto
I could have lengthened you could have lengthened he could have lengthened we could have lengthened you could have lengthened they could have lengthened
Perfetto con V-ing
I could have been lengthening you could have been lengthening he could have been lengthening we could have been lengthening you could have been lengthening they could have been lengthening
Negazione
Forma semplice
I couldn't lengthen you couldn't lengthen he couldn't lengthen we couldn't lengthen you couldn't lengthen they couldn't lengthen
Forma con V-ing
I couldn't be lengthening you couldn't be lengthening he couldn't be lengthening we couldn't be lengthening you couldn't be lengthening they couldn't be lengthening
Perfetto
I couldn't have lengthened you couldn't have lengthened he couldn't have lengthened we couldn't have lengthened you couldn't have lengthened they couldn't have lengthened
Perfetto con V-ing
I couldn't have been lengthening you couldn't have been lengthening he couldn't have been lengthening we couldn't have been lengthening you couldn't have been lengthening they couldn't have been lengthening
Forma interrogativa
Forma semplice
could I lengthen? could you lengthen? could he lengthen? could we lengthen? could you lengthen? could they lengthen?
Forma con V-ing
could I be lengthening? could you be lengthening? could he be lengthening? could we be lengthening? could you be lengthening? could they be lengthening?
Perfetto
could I have lengthened? could you have lengthened? could he have lengthened? could we have lengthened? could you have lengthened? could they have lengthened?
Perfetto con V-ing
could I have been lengthening? could you have been lengthening? could he have been lengthening? could we have been lengthening? could you have been lengthening? could they have been lengthening?
Forma interro-negativa
Forma semplice
couldn't I lengthen? couldn't you lengthen? couldn't he lengthen? couldn't we lengthen? couldn't you lengthen? couldn't they lengthen?
Forma con V-ing
couldn't I be lengthening? couldn't you be lengthening? couldn't he be lengthening? couldn't we be lengthening? couldn't you be lengthening? couldn't they be lengthening?
Perfetto
couldn't I have lengthened? couldn't you have lengthened? couldn't he have lengthened? couldn't we have lengthened? couldn't you have lengthened? couldn't they have lengthened?
Perfetto con V-ing
couldn't I have been lengthening? couldn't you have been lengthening? couldn't he have been lengthening? couldn't we have been lengthening? couldn't you have been lengthening? couldn't they have been lengthening?