Coniugazione del verbo inglese
COULD RET

Verbo regolare: ret - retted - retted

Affermazione

Forma semplice	Forma con V-ing
I could ret you could ret she could ret we could ret you could ret they could ret	I could be retting you could be retting she could be retting we could be retting you could be retting they could be retting
Perfetto	Perfetto con V-ing
I could have retted you could have retted she could have retted we could have retted you could have retted they could have retted	I could have been retting you could have been retting she could have been retting we could have been retting you could have been retting they could have been retting

Negazione

Forma semplice	Forma con V-ing
I couldn't ret you couldn't ret she couldn't ret we couldn't ret you couldn't ret they couldn't ret	I couldn't be retting you couldn't be retting she couldn't be retting we couldn't be retting you couldn't be retting they couldn't be retting
Perfetto	Perfetto con V-ing
I couldn't have retted you couldn't have retted she couldn't have retted we couldn't have retted you couldn't have retted they couldn't have retted	I couldn't have been retting you couldn't have been retting she couldn't have been retting we couldn't have been retting you couldn't have been retting they couldn't have been retting

Forma interrogativa

Forma semplice	Forma con V-ing
could I ret? could you ret? could she ret? could we ret? could you ret? could they ret?	could I be retting? could you be retting? could she be retting? could we be retting? could you be retting? could they be retting?
Perfetto	Perfetto con V-ing
could I have retted? could you have retted? could she have retted? could we have retted? could you have retted? could they have retted?	could I have been retting? could you have been retting? could she have been retting? could we have been retting? could you have been retting? could they have been retting?

Forma interro-negativa

Forma semplice	Forma con V-ing
couldn't I ret? couldn't you ret? couldn't she ret? couldn't we ret? couldn't you ret? couldn't they ret?	couldn't I be retting? couldn't you be retting? couldn't she be retting? couldn't we be retting? couldn't you be retting? couldn't they be retting?
Perfetto	Perfetto con V-ing
couldn't I have retted? couldn't you have retted? couldn't she have retted? couldn't we have retted? couldn't you have retted? couldn't they have retted?	couldn't I have been retting? couldn't you have been retting? couldn't she have been retting? couldn't we have been retting? couldn't you have been retting? couldn't they have been retting?