I could barrel you could barrel she could barrel we could barrel you could barrel they could barrel
V-ing form
I could be barreling you could be barreling she could be barreling we could be barreling you could be barreling they could be barreling
Perfect
I could have barreled you could have barreled she could have barreled we could have barreled you could have barreled they could have barreled
V-ing perfect
I could have been barreling you could have been barreling she could have been barreling we could have been barreling you could have been barreling they could have been barreling
Negation
Simple form
I couldn't barrel you couldn't barrel she couldn't barrel we couldn't barrel you couldn't barrel they couldn't barrel
V-ing form
I couldn't be barreling you couldn't be barreling she couldn't be barreling we couldn't be barreling you couldn't be barreling they couldn't be barreling
Perfect
I couldn't have barreled you couldn't have barreled she couldn't have barreled we couldn't have barreled you couldn't have barreled they couldn't have barreled
V-ing perfect
I couldn't have been barreling you couldn't have been barreling she couldn't have been barreling we couldn't have been barreling you couldn't have been barreling they couldn't have been barreling
Interrogative form
Simple form
could I barrel? could you barrel? could she barrel? could we barrel? could you barrel? could they barrel?
V-ing form
could I be barreling? could you be barreling? could she be barreling? could we be barreling? could you be barreling? could they be barreling?
Perfect
could I have barreled? could you have barreled? could she have barreled? could we have barreled? could you have barreled? could they have barreled?
V-ing perfect
could I have been barreling? could you have been barreling? could she have been barreling? could we have been barreling? could you have been barreling? could they have been barreling?
Interro-negative form
Simple form
couldn't I barrel? couldn't you barrel? couldn't she barrel? couldn't we barrel? couldn't you barrel? couldn't they barrel?
V-ing form
couldn't I be barreling? couldn't you be barreling? couldn't she be barreling? couldn't we be barreling? couldn't you be barreling? couldn't they be barreling?
Perfect
couldn't I have barreled? couldn't you have barreled? couldn't she have barreled? couldn't we have barreled? couldn't you have barreled? couldn't they have barreled?
V-ing perfect
couldn't I have been barreling? couldn't you have been barreling? couldn't she have been barreling? couldn't we have been barreling? couldn't you have been barreling? couldn't they have been barreling?