Conjugación del verbo inglés
COULD SKIRL

Verbo regular: skirl - skirled - skirled

Afirmación

Forma simple	Forma con V-ing
I could skirl you could skirl he could skirl we could skirl you could skirl they could skirl	I could be skirling you could be skirling he could be skirling we could be skirling you could be skirling they could be skirling
Perfecto	Perfecto con V-ing
I could have skirled you could have skirled he could have skirled we could have skirled you could have skirled they could have skirled	I could have been skirling you could have been skirling he could have been skirling we could have been skirling you could have been skirling they could have been skirling

Negación

Forma simple	Forma con V-ing
I could not skirl you could not skirl he could not skirl we could not skirl you could not skirl they could not skirl	I could not be skirling you could not be skirling he could not be skirling we could not be skirling you could not be skirling they could not be skirling
Perfecto	Perfecto con V-ing
I could not have skirled you could not have skirled he could not have skirled we could not have skirled you could not have skirled they could not have skirled	I could not have been skirling you could not have been skirling he could not have been skirling we could not have been skirling you could not have been skirling they could not have been skirling

Forma interrogativa

Forma simple	Forma con V-ing
could I skirl? could you skirl? could he skirl? could we skirl? could you skirl? could they skirl?	could I be skirling? could you be skirling? could he be skirling? could we be skirling? could you be skirling? could they be skirling?
Perfecto	Perfecto con V-ing
could I have skirled? could you have skirled? could he have skirled? could we have skirled? could you have skirled? could they have skirled?	could I have been skirling? could you have been skirling? could he have been skirling? could we have been skirling? could you have been skirling? could they have been skirling?

Forma interro-negativa

Forma simple	Forma con V-ing
could I not skirl? could you not skirl? could he not skirl? could we not skirl? could you not skirl? could they not skirl?	could I not be skirling? could you not be skirling? could he not be skirling? could we not be skirling? could you not be skirling? could they not be skirling?
Perfecto	Perfecto con V-ing
could I not have skirled? could you not have skirled? could he not have skirled? could we not have skirled? could you not have skirled? could they not have skirled?	could I not have been skirling? could you not have been skirling? could he not have been skirling? could we not have been skirling? could you not have been skirling? could they not have been skirling?