English verb conjugation
COULD HOST

Regular verb: host - hosted - hosted

Affirmation

Simple form	V-ing form
I could host you could host he could host we could host you could host they could host	I could be hosting you could be hosting he could be hosting we could be hosting you could be hosting they could be hosting
Perfect	V-ing perfect
I could have hosted you could have hosted he could have hosted we could have hosted you could have hosted they could have hosted	I could have been hosting you could have been hosting he could have been hosting we could have been hosting you could have been hosting they could have been hosting

Negation

Simple form	V-ing form
I could not host you could not host he could not host we could not host you could not host they could not host	I could not be hosting you could not be hosting he could not be hosting we could not be hosting you could not be hosting they could not be hosting
Perfect	V-ing perfect
I could not have hosted you could not have hosted he could not have hosted we could not have hosted you could not have hosted they could not have hosted	I could not have been hosting you could not have been hosting he could not have been hosting we could not have been hosting you could not have been hosting they could not have been hosting

Interrogative form

Simple form	V-ing form
could I host? could you host? could he host? could we host? could you host? could they host?	could I be hosting? could you be hosting? could he be hosting? could we be hosting? could you be hosting? could they be hosting?
Perfect	V-ing perfect
could I have hosted? could you have hosted? could he have hosted? could we have hosted? could you have hosted? could they have hosted?	could I have been hosting? could you have been hosting? could he have been hosting? could we have been hosting? could you have been hosting? could they have been hosting?

Interro-negative form

Simple form	V-ing form
could I not host? could you not host? could he not host? could we not host? could you not host? could they not host?	could I not be hosting? could you not be hosting? could he not be hosting? could we not be hosting? could you not be hosting? could they not be hosting?
Perfect	V-ing perfect
could I not have hosted? could you not have hosted? could he not have hosted? could we not have hosted? could you not have hosted? could they not have hosted?	could I not have been hosting? could you not have been hosting? could he not have been hosting? could we not have been hosting? could you not have been hosting? could they not have been hosting?