Conjugación del verbo inglés
COULD THUD

Verbo regular: thud - thudded - thudded

Afirmación

Forma simple	Forma con V-ing
I could thud you could thud he could thud we could thud you could thud they could thud	I could be thudding you could be thudding he could be thudding we could be thudding you could be thudding they could be thudding
Perfecto	Perfecto con V-ing
I could have thudded you could have thudded he could have thudded we could have thudded you could have thudded they could have thudded	I could have been thudding you could have been thudding he could have been thudding we could have been thudding you could have been thudding they could have been thudding

Negación

Forma simple	Forma con V-ing
I could not thud you could not thud he could not thud we could not thud you could not thud they could not thud	I could not be thudding you could not be thudding he could not be thudding we could not be thudding you could not be thudding they could not be thudding
Perfecto	Perfecto con V-ing
I could not have thudded you could not have thudded he could not have thudded we could not have thudded you could not have thudded they could not have thudded	I could not have been thudding you could not have been thudding he could not have been thudding we could not have been thudding you could not have been thudding they could not have been thudding

Forma interrogativa

Forma simple	Forma con V-ing
could I thud? could you thud? could he thud? could we thud? could you thud? could they thud?	could I be thudding? could you be thudding? could he be thudding? could we be thudding? could you be thudding? could they be thudding?
Perfecto	Perfecto con V-ing
could I have thudded? could you have thudded? could he have thudded? could we have thudded? could you have thudded? could they have thudded?	could I have been thudding? could you have been thudding? could he have been thudding? could we have been thudding? could you have been thudding? could they have been thudding?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not thud? could you not thud? could he not thud? could we not thud? could you not thud? could they not thud?	could I not be thudding? could you not be thudding? could he not be thudding? could we not be thudding? could you not be thudding? could they not be thudding?
Perfecto	Perfecto con V-ing
could I not have thudded? could you not have thudded? could he not have thudded? could we not have thudded? could you not have thudded? could they not have thudded?	could I not have been thudding? could you not have been thudding? could he not have been thudding? could we not have been thudding? could you not have been thudding? could they not have been thudding?