English verb conjugation
COULD HARBOUR

Regular verb: harbour - harboured - harboured

Affirmation

Simple form	V-ing form
I could harbour you could harbour he could harbour we could harbour you could harbour they could harbour	I could be harbouring you could be harbouring he could be harbouring we could be harbouring you could be harbouring they could be harbouring
Perfect	V-ing perfect
I could have harboured you could have harboured he could have harboured we could have harboured you could have harboured they could have harboured	I could have been harbouring you could have been harbouring he could have been harbouring we could have been harbouring you could have been harbouring they could have been harbouring

Negation

Simple form	V-ing form
I could not harbour you could not harbour he could not harbour we could not harbour you could not harbour they could not harbour	I could not be harbouring you could not be harbouring he could not be harbouring we could not be harbouring you could not be harbouring they could not be harbouring
Perfect	V-ing perfect
I could not have harboured you could not have harboured he could not have harboured we could not have harboured you could not have harboured they could not have harboured	I could not have been harbouring you could not have been harbouring he could not have been harbouring we could not have been harbouring you could not have been harbouring they could not have been harbouring

Interrogative form

Simple form	V-ing form
could I harbour? could you harbour? could he harbour? could we harbour? could you harbour? could they harbour?	could I be harbouring? could you be harbouring? could he be harbouring? could we be harbouring? could you be harbouring? could they be harbouring?
Perfect	V-ing perfect
could I have harboured? could you have harboured? could he have harboured? could we have harboured? could you have harboured? could they have harboured?	could I have been harbouring? could you have been harbouring? could he have been harbouring? could we have been harbouring? could you have been harbouring? could they have been harbouring?

Interro-negative form

Simple form	V-ing form
could I not harbour? could you not harbour? could he not harbour? could we not harbour? could you not harbour? could they not harbour?	could I not be harbouring? could you not be harbouring? could he not be harbouring? could we not be harbouring? could you not be harbouring? could they not be harbouring?
Perfect	V-ing perfect
could I not have harboured? could you not have harboured? could he not have harboured? could we not have harboured? could you not have harboured? could they not have harboured?	could I not have been harbouring? could you not have been harbouring? could he not have been harbouring? could we not have been harbouring? could you not have been harbouring? could they not have been harbouring?