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