I could moderate you could moderate she could moderate we could moderate you could moderate they could moderate
V-ing form
I could be moderating you could be moderating she could be moderating we could be moderating you could be moderating they could be moderating
Perfect
I could have moderated you could have moderated she could have moderated we could have moderated you could have moderated they could have moderated
V-ing perfect
I could have been moderating you could have been moderating she could have been moderating we could have been moderating you could have been moderating they could have been moderating
Negation
Simple form
I could not moderate you could not moderate she could not moderate we could not moderate you could not moderate they could not moderate
V-ing form
I could not be moderating you could not be moderating she could not be moderating we could not be moderating you could not be moderating they could not be moderating
Perfect
I could not have moderated you could not have moderated she could not have moderated we could not have moderated you could not have moderated they could not have moderated
V-ing perfect
I could not have been moderating you could not have been moderating she could not have been moderating we could not have been moderating you could not have been moderating they could not have been moderating
Interrogative form
Simple form
could I moderate? could you moderate? could she moderate? could we moderate? could you moderate? could they moderate?
V-ing form
could I be moderating? could you be moderating? could she be moderating? could we be moderating? could you be moderating? could they be moderating?
Perfect
could I have moderated? could you have moderated? could she have moderated? could we have moderated? could you have moderated? could they have moderated?
V-ing perfect
could I have been moderating? could you have been moderating? could she have been moderating? could we have been moderating? could you have been moderating? could they have been moderating?
Interro-negative form
Simple form
could I not moderate? could you not moderate? could she not moderate? could we not moderate? could you not moderate? could they not moderate?
V-ing form
could I not be moderating? could you not be moderating? could she not be moderating? could we not be moderating? could you not be moderating? could they not be moderating?
Perfect
could I not have moderated? could you not have moderated? could she not have moderated? could we not have moderated? could you not have moderated? could they not have moderated?
V-ing perfect
could I not have been moderating? could you not have been moderating? could she not have been moderating? could we not have been moderating? could you not have been moderating? could they not have been moderating?