I could gird you could gird he could gird we could gird you could gird they could gird
V-ing form
I could be girding you could be girding he could be girding we could be girding you could be girding they could be girding
Perfect
I could have girt, girded you could have girt, girded he could have girt, girded we could have girt, girded you could have girt, girded they could have girt, girded
V-ing perfect
I could have been girding you could have been girding he could have been girding we could have been girding you could have been girding they could have been girding
Negation
Simple form
I could not gird you could not gird he could not gird we could not gird you could not gird they could not gird
V-ing form
I could not be girding you could not be girding he could not be girding we could not be girding you could not be girding they could not be girding
Perfect
I could not have girt, girded you could not have girt, girded he could not have girt, girded we could not have girt, girded you could not have girt, girded they could not have girt, girded
V-ing perfect
I could not have been girding you could not have been girding he could not have been girding we could not have been girding you could not have been girding they could not have been girding
Interrogative form
Simple form
could I gird? could you gird? could he gird? could we gird? could you gird? could they gird?
V-ing form
could I be girding? could you be girding? could he be girding? could we be girding? could you be girding? could they be girding?
Perfect
could I have girt, girded? could you have girt, girded? could he have girt, girded? could we have girt, girded? could you have girt, girded? could they have girt, girded?
V-ing perfect
could I have been girding? could you have been girding? could he have been girding? could we have been girding? could you have been girding? could they have been girding?
Interro-negative form
Simple form
could I not gird? could you not gird? could he not gird? could we not gird? could you not gird? could they not gird?
V-ing form
could I not be girding? could you not be girding? could he not be girding? could we not be girding? could you not be girding? could they not be girding?
Perfect
could I not have girt, girded? could you not have girt, girded? could he not have girt, girded? could we not have girt, girded? could you not have girt, girded? could they not have girt, girded?
V-ing perfect
could I not have been girding? could you not have been girding? could he not have been girding? could we not have been girding? could you not have been girding? could they not have been girding?