I could relay you could relay he could relay we could relay you could relay they could relay
V-ing form
I could be relaying you could be relaying he could be relaying we could be relaying you could be relaying they could be relaying
Perfect
I could have relayed you could have relayed he could have relayed we could have relayed you could have relayed they could have relayed
V-ing perfect
I could have been relaying you could have been relaying he could have been relaying we could have been relaying you could have been relaying they could have been relaying
Negation
Simple form
I couldn't relay you couldn't relay he couldn't relay we couldn't relay you couldn't relay they couldn't relay
V-ing form
I couldn't be relaying you couldn't be relaying he couldn't be relaying we couldn't be relaying you couldn't be relaying they couldn't be relaying
Perfect
I couldn't have relayed you couldn't have relayed he couldn't have relayed we couldn't have relayed you couldn't have relayed they couldn't have relayed
V-ing perfect
I couldn't have been relaying you couldn't have been relaying he couldn't have been relaying we couldn't have been relaying you couldn't have been relaying they couldn't have been relaying
Interrogative form
Simple form
could I relay? could you relay? could he relay? could we relay? could you relay? could they relay?
V-ing form
could I be relaying? could you be relaying? could he be relaying? could we be relaying? could you be relaying? could they be relaying?
Perfect
could I have relayed? could you have relayed? could he have relayed? could we have relayed? could you have relayed? could they have relayed?
V-ing perfect
could I have been relaying? could you have been relaying? could he have been relaying? could we have been relaying? could you have been relaying? could they have been relaying?
Interro-negative form
Simple form
couldn't I relay? couldn't you relay? couldn't he relay? couldn't we relay? couldn't you relay? couldn't they relay?
V-ing form
couldn't I be relaying? couldn't you be relaying? couldn't he be relaying? couldn't we be relaying? couldn't you be relaying? couldn't they be relaying?
Perfect
couldn't I have relayed? couldn't you have relayed? couldn't he have relayed? couldn't we have relayed? couldn't you have relayed? couldn't they have relayed?
V-ing perfect
couldn't I have been relaying? couldn't you have been relaying? couldn't he have been relaying? couldn't we have been relaying? couldn't you have been relaying? couldn't they have been relaying?