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 couldn't host you couldn't host he couldn't host we couldn't host you couldn't host they couldn't host	I couldn't be hosting you couldn't be hosting he couldn't be hosting we couldn't be hosting you couldn't be hosting they couldn't be hosting
Perfect	V-ing perfect
I couldn't have hosted you couldn't have hosted he couldn't have hosted we couldn't have hosted you couldn't have hosted they couldn't have hosted	I couldn't have been hosting you couldn't have been hosting he couldn't have been hosting we couldn't have been hosting you couldn't have been hosting they couldn't 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
couldn't I host? couldn't you host? couldn't he host? couldn't we host? couldn't you host? couldn't they host?	couldn't I be hosting? couldn't you be hosting? couldn't he be hosting? couldn't we be hosting? couldn't you be hosting? couldn't they be hosting?
Perfect	V-ing perfect
couldn't I have hosted? couldn't you have hosted? couldn't he have hosted? couldn't we have hosted? couldn't you have hosted? couldn't they have hosted?	couldn't I have been hosting? couldn't you have been hosting? couldn't he have been hosting? couldn't we have been hosting? couldn't you have been hosting? couldn't they have been hosting?