English verb conjugation
COULD COUNTERWEIGHT

Regular verb: counterweight - counterweighted - counterweighted

Affirmation

Simple form	V-ing form
I could counterweight you could counterweight he could counterweight we could counterweight you could counterweight they could counterweight	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	V-ing 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	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	V-ing 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	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	V-ing 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	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	V-ing form
could I counterweight? could you counterweight? could he counterweight? could we counterweight? could you counterweight? could they counterweight?	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	V-ing 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?	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	V-ing 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?	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	V-ing 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?	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?