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