English verb conjugation
COULD DISTURB

Regular verb: disturb - disturbed - disturbed

Affirmation

Simple form	V-ing form
I could disturb you could disturb she could disturb we could disturb you could disturb they could disturb	I could be disturbing you could be disturbing she could be disturbing we could be disturbing you could be disturbing they could be disturbing
Perfect	V-ing perfect
I could have disturbed you could have disturbed she could have disturbed we could have disturbed you could have disturbed they could have disturbed	I could have been disturbing you could have been disturbing she could have been disturbing we could have been disturbing you could have been disturbing they could have been disturbing

Negation

Simple form	V-ing form
I could not disturb you could not disturb she could not disturb we could not disturb you could not disturb they could not disturb	I could not be disturbing you could not be disturbing she could not be disturbing we could not be disturbing you could not be disturbing they could not be disturbing
Perfect	V-ing perfect
I could not have disturbed you could not have disturbed she could not have disturbed we could not have disturbed you could not have disturbed they could not have disturbed	I could not have been disturbing you could not have been disturbing she could not have been disturbing we could not have been disturbing you could not have been disturbing they could not have been disturbing

Interrogative form

Simple form	V-ing form
could I disturb? could you disturb? could she disturb? could we disturb? could you disturb? could they disturb?	could I be disturbing? could you be disturbing? could she be disturbing? could we be disturbing? could you be disturbing? could they be disturbing?
Perfect	V-ing perfect
could I have disturbed? could you have disturbed? could she have disturbed? could we have disturbed? could you have disturbed? could they have disturbed?	could I have been disturbing? could you have been disturbing? could she have been disturbing? could we have been disturbing? could you have been disturbing? could they have been disturbing?

Interro-negative form

Simple form	V-ing form
could I not disturb? could you not disturb? could she not disturb? could we not disturb? could you not disturb? could they not disturb?	could I not be disturbing? could you not be disturbing? could she not be disturbing? could we not be disturbing? could you not be disturbing? could they not be disturbing?
Perfect	V-ing perfect
could I not have disturbed? could you not have disturbed? could she not have disturbed? could we not have disturbed? could you not have disturbed? could they not have disturbed?	could I not have been disturbing? could you not have been disturbing? could she not have been disturbing? could we not have been disturbing? could you not have been disturbing? could they not have been disturbing?