could baby-sit
Verbo regular: baby-sit - baby-sitted- baby-sitted

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could baby-sit
you could baby-sit
he could baby-sit
we could baby-sit
you could baby-sit
they could baby-sit 	I could be baby-sitting
you could be baby-sitting
he could be baby-sitting
we could be baby-sitting
you could be baby-sitting
they could be baby-sitting	I could have baby-sitted
you could have baby-sitted
he could have baby-sitted
we could have baby-sitted
you could have baby-sitted
they could have baby-sitted	I could have been baby-sitting
you could have been baby-sitting
he could have been baby-sitting
we could have been baby-sitting
you could have been baby-sitting
they could have been baby-sitting	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not baby-sit
you could not baby-sit
he could not baby-sit
we could not baby-sit
you could not baby-sit
they could not baby-sit 	I could not be baby-sitting
you could not be baby-sitting
he could not be baby-sitting
we could not be baby-sitting
you could not be baby-sitting
they could not be baby-sitting	I could not have baby-sitted
you could not have baby-sitted
he could not have baby-sitted
we could not have baby-sitted
you could not have baby-sitted
they could not have baby-sitted	I could not have been baby-sitting
you could not have been baby-sitting
he could not have been baby-sitting
we could not have been baby-sitting
you could not have been baby-sitting
they could not have been baby-sitting	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I baby-sit?
could you baby-sit?
could he baby-sit?
could we baby-sit?
could you baby-sit?
could they baby-sit? 	could I be baby-sitting?
could you be baby-sitting?
could he be baby-sitting?
could we be baby-sitting?
could you be baby-sitting?
could they be baby-sitting? 	could I have baby-sitted?
could you have baby-sitted?
could he have baby-sitted?
could we have baby-sitted?
could you have baby-sitted?
could they have baby-sitted? 	could I have been baby-sitting?
could you have been baby-sitting?
could he have been baby-sitting?
could we have been baby-sitting?
could you have been baby-sitting?
could they have been baby-sitting? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not baby-sit?
could you not baby-sit?
could he not baby-sit?
could we not baby-sit?
could you not baby-sit?
could they not baby-sit? 	could I not be baby-sitting?
could you not be baby-sitting?
could he not be baby-sitting?
could we not be baby-sitting?
could you not be baby-sitting?
could they not be baby-sitting? 	could I not have baby-sitted?
could you not have baby-sitted?
could he not have baby-sitted?
could we not have baby-sitted?
could you not have baby-sitted?
could they not have baby-sitted? 	could I not have been baby-sitting?
could you not have been baby-sitting?
could he not have been baby-sitting?
could we not have been baby-sitting?
could you not have been baby-sitting?
could they not have been baby-sitting?