Conjugación del verbo inglés
COULD PUZZLE

Verbo regular: puzzle - puzzled - puzzled

Afirmación

Forma simple	Forma con V-ing
I could puzzle you could puzzle she could puzzle we could puzzle you could puzzle they could puzzle	I could be puzzling you could be puzzling she could be puzzling we could be puzzling you could be puzzling they could be puzzling
Perfecto	Perfecto con V-ing
I could have puzzled you could have puzzled she could have puzzled we could have puzzled you could have puzzled they could have puzzled	I could have been puzzling you could have been puzzling she could have been puzzling we could have been puzzling you could have been puzzling they could have been puzzling

Negación

Forma simple	Forma con V-ing
I couldn't puzzle you couldn't puzzle she couldn't puzzle we couldn't puzzle you couldn't puzzle they couldn't puzzle	I couldn't be puzzling you couldn't be puzzling she couldn't be puzzling we couldn't be puzzling you couldn't be puzzling they couldn't be puzzling
Perfecto	Perfecto con V-ing
I couldn't have puzzled you couldn't have puzzled she couldn't have puzzled we couldn't have puzzled you couldn't have puzzled they couldn't have puzzled	I couldn't have been puzzling you couldn't have been puzzling she couldn't have been puzzling we couldn't have been puzzling you couldn't have been puzzling they couldn't have been puzzling

Forma interrogativa

Forma simple	Forma con V-ing
could I puzzle? could you puzzle? could she puzzle? could we puzzle? could you puzzle? could they puzzle?	could I be puzzling? could you be puzzling? could she be puzzling? could we be puzzling? could you be puzzling? could they be puzzling?
Perfecto	Perfecto con V-ing
could I have puzzled? could you have puzzled? could she have puzzled? could we have puzzled? could you have puzzled? could they have puzzled?	could I have been puzzling? could you have been puzzling? could she have been puzzling? could we have been puzzling? could you have been puzzling? could they have been puzzling?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I puzzle? couldn't you puzzle? couldn't she puzzle? couldn't we puzzle? couldn't you puzzle? couldn't they puzzle?	couldn't I be puzzling? couldn't you be puzzling? couldn't she be puzzling? couldn't we be puzzling? couldn't you be puzzling? couldn't they be puzzling?
Perfecto	Perfecto con V-ing
couldn't I have puzzled? couldn't you have puzzled? couldn't she have puzzled? couldn't we have puzzled? couldn't you have puzzled? couldn't they have puzzled?	couldn't I have been puzzling? couldn't you have been puzzling? couldn't she have been puzzling? couldn't we have been puzzling? couldn't you have been puzzling? couldn't they have been puzzling?