Conjugación del verbo inglés
COULD STUD

Verbo regular: stud - studded - studded

Afirmación

Forma simple	Forma con V-ing
I could stud you could stud she could stud we could stud you could stud they could stud	I could be studding you could be studding she could be studding we could be studding you could be studding they could be studding
Perfecto	Perfecto con V-ing
I could have studded you could have studded she could have studded we could have studded you could have studded they could have studded	I could have been studding you could have been studding she could have been studding we could have been studding you could have been studding they could have been studding

Negación

Forma simple	Forma con V-ing
I could not stud you could not stud she could not stud we could not stud you could not stud they could not stud	I could not be studding you could not be studding she could not be studding we could not be studding you could not be studding they could not be studding
Perfecto	Perfecto con V-ing
I could not have studded you could not have studded she could not have studded we could not have studded you could not have studded they could not have studded	I could not have been studding you could not have been studding she could not have been studding we could not have been studding you could not have been studding they could not have been studding

Forma interrogativa

Forma simple	Forma con V-ing
could I stud? could you stud? could she stud? could we stud? could you stud? could they stud?	could I be studding? could you be studding? could she be studding? could we be studding? could you be studding? could they be studding?
Perfecto	Perfecto con V-ing
could I have studded? could you have studded? could she have studded? could we have studded? could you have studded? could they have studded?	could I have been studding? could you have been studding? could she have been studding? could we have been studding? could you have been studding? could they have been studding?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not stud? could you not stud? could she not stud? could we not stud? could you not stud? could they not stud?	could I not be studding? could you not be studding? could she not be studding? could we not be studding? could you not be studding? could they not be studding?
Perfecto	Perfecto con V-ing
could I not have studded? could you not have studded? could she not have studded? could we not have studded? could you not have studded? could they not have studded?	could I not have been studding? could you not have been studding? could she not have been studding? could we not have been studding? could you not have been studding? could they not have been studding?