English verb conjugation
COULD COUNTERWEIGH

Regular verb: counterweigh - counterweighed - counterweighed

Affirmation

Simple form	V-ing form
I could counterweigh you could counterweigh he could counterweigh we could counterweigh you could counterweigh they could counterweigh	I could be counterweighing you could be counterweighing he could be counterweighing we could be counterweighing you could be counterweighing they could be counterweighing
Perfect	V-ing perfect
I could have counterweighed you could have counterweighed he could have counterweighed we could have counterweighed you could have counterweighed they could have counterweighed	I could have been counterweighing you could have been counterweighing he could have been counterweighing we could have been counterweighing you could have been counterweighing they could have been counterweighing

Negation

Simple form	V-ing form
I couldn't counterweigh you couldn't counterweigh he couldn't counterweigh we couldn't counterweigh you couldn't counterweigh they couldn't counterweigh	I couldn't be counterweighing you couldn't be counterweighing he couldn't be counterweighing we couldn't be counterweighing you couldn't be counterweighing they couldn't be counterweighing
Perfect	V-ing perfect
I couldn't have counterweighed you couldn't have counterweighed he couldn't have counterweighed we couldn't have counterweighed you couldn't have counterweighed they couldn't have counterweighed	I couldn't have been counterweighing you couldn't have been counterweighing he couldn't have been counterweighing we couldn't have been counterweighing you couldn't have been counterweighing they couldn't have been counterweighing

Interrogative form

Simple form	V-ing form
could I counterweigh? could you counterweigh? could he counterweigh? could we counterweigh? could you counterweigh? could they counterweigh?	could I be counterweighing? could you be counterweighing? could he be counterweighing? could we be counterweighing? could you be counterweighing? could they be counterweighing?
Perfect	V-ing perfect
could I have counterweighed? could you have counterweighed? could he have counterweighed? could we have counterweighed? could you have counterweighed? could they have counterweighed?	could I have been counterweighing? could you have been counterweighing? could he have been counterweighing? could we have been counterweighing? could you have been counterweighing? could they have been counterweighing?

Interro-negative form

Simple form	V-ing form
couldn't I counterweigh? couldn't you counterweigh? couldn't he counterweigh? couldn't we counterweigh? couldn't you counterweigh? couldn't they counterweigh?	couldn't I be counterweighing? couldn't you be counterweighing? couldn't he be counterweighing? couldn't we be counterweighing? couldn't you be counterweighing? couldn't they be counterweighing?
Perfect	V-ing perfect
couldn't I have counterweighed? couldn't you have counterweighed? couldn't he have counterweighed? couldn't we have counterweighed? couldn't you have counterweighed? couldn't they have counterweighed?	couldn't I have been counterweighing? couldn't you have been counterweighing? couldn't he have been counterweighing? couldn't we have been counterweighing? couldn't you have been counterweighing? couldn't they have been counterweighing?