Conjugación del verbo inglés
COULD REEF

Verbo regular: reef - reefed - reefed

Afirmación

Forma simple	Forma con V-ing
I could reef you could reef he could reef we could reef you could reef they could reef	I could be reefing you could be reefing he could be reefing we could be reefing you could be reefing they could be reefing
Perfecto	Perfecto con V-ing
I could have reefed you could have reefed he could have reefed we could have reefed you could have reefed they could have reefed	I could have been reefing you could have been reefing he could have been reefing we could have been reefing you could have been reefing they could have been reefing

Negación

Forma simple	Forma con V-ing
I couldn't reef you couldn't reef he couldn't reef we couldn't reef you couldn't reef they couldn't reef	I couldn't be reefing you couldn't be reefing he couldn't be reefing we couldn't be reefing you couldn't be reefing they couldn't be reefing
Perfecto	Perfecto con V-ing
I couldn't have reefed you couldn't have reefed he couldn't have reefed we couldn't have reefed you couldn't have reefed they couldn't have reefed	I couldn't have been reefing you couldn't have been reefing he couldn't have been reefing we couldn't have been reefing you couldn't have been reefing they couldn't have been reefing

Forma interrogativa

Forma simple	Forma con V-ing
could I reef? could you reef? could he reef? could we reef? could you reef? could they reef?	could I be reefing? could you be reefing? could he be reefing? could we be reefing? could you be reefing? could they be reefing?
Perfecto	Perfecto con V-ing
could I have reefed? could you have reefed? could he have reefed? could we have reefed? could you have reefed? could they have reefed?	could I have been reefing? could you have been reefing? could he have been reefing? could we have been reefing? could you have been reefing? could they have been reefing?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I reef? couldn't you reef? couldn't he reef? couldn't we reef? couldn't you reef? couldn't they reef?	couldn't I be reefing? couldn't you be reefing? couldn't he be reefing? couldn't we be reefing? couldn't you be reefing? couldn't they be reefing?
Perfecto	Perfecto con V-ing
couldn't I have reefed? couldn't you have reefed? couldn't he have reefed? couldn't we have reefed? couldn't you have reefed? couldn't they have reefed?	couldn't I have been reefing? couldn't you have been reefing? couldn't he have been reefing? couldn't we have been reefing? couldn't you have been reefing? couldn't they have been reefing?