English verb conjugation
COULD BABY-SIT

Regular verb: baby-sit - baby-sitted - baby-sitted

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Negation

Simple form	V-ing form
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
Perfect	V-ing perfect
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

Interrogative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?

Interro-negative form

Simple form	V-ing form
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?
Perfect	V-ing perfect
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?