Conjugación del verbo inglés
COULD SCOWL

Verbo regular: scowl - scowled - scowled

Afirmación

Forma simple	Forma con V-ing
I could scowl you could scowl she could scowl we could scowl you could scowl they could scowl	I could be scowling you could be scowling she could be scowling we could be scowling you could be scowling they could be scowling
Perfecto	Perfecto con V-ing
I could have scowled you could have scowled she could have scowled we could have scowled you could have scowled they could have scowled	I could have been scowling you could have been scowling she could have been scowling we could have been scowling you could have been scowling they could have been scowling

Negación

Forma simple	Forma con V-ing
I couldn't scowl you couldn't scowl she couldn't scowl we couldn't scowl you couldn't scowl they couldn't scowl	I couldn't be scowling you couldn't be scowling she couldn't be scowling we couldn't be scowling you couldn't be scowling they couldn't be scowling
Perfecto	Perfecto con V-ing
I couldn't have scowled you couldn't have scowled she couldn't have scowled we couldn't have scowled you couldn't have scowled they couldn't have scowled	I couldn't have been scowling you couldn't have been scowling she couldn't have been scowling we couldn't have been scowling you couldn't have been scowling they couldn't have been scowling

Forma interrogativa

Forma simple	Forma con V-ing
could I scowl? could you scowl? could she scowl? could we scowl? could you scowl? could they scowl?	could I be scowling? could you be scowling? could she be scowling? could we be scowling? could you be scowling? could they be scowling?
Perfecto	Perfecto con V-ing
could I have scowled? could you have scowled? could she have scowled? could we have scowled? could you have scowled? could they have scowled?	could I have been scowling? could you have been scowling? could she have been scowling? could we have been scowling? could you have been scowling? could they have been scowling?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I scowl? couldn't you scowl? couldn't she scowl? couldn't we scowl? couldn't you scowl? couldn't they scowl?	couldn't I be scowling? couldn't you be scowling? couldn't she be scowling? couldn't we be scowling? couldn't you be scowling? couldn't they be scowling?
Perfecto	Perfecto con V-ing
couldn't I have scowled? couldn't you have scowled? couldn't she have scowled? couldn't we have scowled? couldn't you have scowled? couldn't they have scowled?	couldn't I have been scowling? couldn't you have been scowling? couldn't she have been scowling? couldn't we have been scowling? couldn't you have been scowling? couldn't they have been scowling?