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