I could aphorise you could aphorise he could aphorise we could aphorise you could aphorise they could aphorise
V-ing form
I could be aphorising you could be aphorising he could be aphorising we could be aphorising you could be aphorising they could be aphorising
Perfect
I could have aphorised you could have aphorised he could have aphorised we could have aphorised you could have aphorised they could have aphorised
V-ing perfect
I could have been aphorising you could have been aphorising he could have been aphorising we could have been aphorising you could have been aphorising they could have been aphorising
Negation
Simple form
I could not aphorise you could not aphorise he could not aphorise we could not aphorise you could not aphorise they could not aphorise
V-ing form
I could not be aphorising you could not be aphorising he could not be aphorising we could not be aphorising you could not be aphorising they could not be aphorising
Perfect
I could not have aphorised you could not have aphorised he could not have aphorised we could not have aphorised you could not have aphorised they could not have aphorised
V-ing perfect
I could not have been aphorising you could not have been aphorising he could not have been aphorising we could not have been aphorising you could not have been aphorising they could not have been aphorising
Interrogative form
Simple form
could I aphorise? could you aphorise? could he aphorise? could we aphorise? could you aphorise? could they aphorise?
V-ing form
could I be aphorising? could you be aphorising? could he be aphorising? could we be aphorising? could you be aphorising? could they be aphorising?
Perfect
could I have aphorised? could you have aphorised? could he have aphorised? could we have aphorised? could you have aphorised? could they have aphorised?
V-ing perfect
could I have been aphorising? could you have been aphorising? could he have been aphorising? could we have been aphorising? could you have been aphorising? could they have been aphorising?
Interro-negative form
Simple form
could I not aphorise? could you not aphorise? could he not aphorise? could we not aphorise? could you not aphorise? could they not aphorise?
V-ing form
could I not be aphorising? could you not be aphorising? could he not be aphorising? could we not be aphorising? could you not be aphorising? could they not be aphorising?
Perfect
could I not have aphorised? could you not have aphorised? could he not have aphorised? could we not have aphorised? could you not have aphorised? could they not have aphorised?
V-ing perfect
could I not have been aphorising? could you not have been aphorising? could he not have been aphorising? could we not have been aphorising? could you not have been aphorising? could they not have been aphorising?