English verb conjugation
COULD MOUND

Regular verb: mound - mounded - mounded

Affirmation

Simple form	V-ing form
I could mound you could mound he could mound we could mound you could mound they could mound	I could be mounding you could be mounding he could be mounding we could be mounding you could be mounding they could be mounding
Perfect	V-ing perfect
I could have mounded you could have mounded he could have mounded we could have mounded you could have mounded they could have mounded	I could have been mounding you could have been mounding he could have been mounding we could have been mounding you could have been mounding they could have been mounding

Negation

Simple form	V-ing form
I couldn't mound you couldn't mound he couldn't mound we couldn't mound you couldn't mound they couldn't mound	I couldn't be mounding you couldn't be mounding he couldn't be mounding we couldn't be mounding you couldn't be mounding they couldn't be mounding
Perfect	V-ing perfect
I couldn't have mounded you couldn't have mounded he couldn't have mounded we couldn't have mounded you couldn't have mounded they couldn't have mounded	I couldn't have been mounding you couldn't have been mounding he couldn't have been mounding we couldn't have been mounding you couldn't have been mounding they couldn't have been mounding

Interrogative form

Simple form	V-ing form
could I mound? could you mound? could he mound? could we mound? could you mound? could they mound?	could I be mounding? could you be mounding? could he be mounding? could we be mounding? could you be mounding? could they be mounding?
Perfect	V-ing perfect
could I have mounded? could you have mounded? could he have mounded? could we have mounded? could you have mounded? could they have mounded?	could I have been mounding? could you have been mounding? could he have been mounding? could we have been mounding? could you have been mounding? could they have been mounding?

Interro-negative form

Simple form	V-ing form
couldn't I mound? couldn't you mound? couldn't he mound? couldn't we mound? couldn't you mound? couldn't they mound?	couldn't I be mounding? couldn't you be mounding? couldn't he be mounding? couldn't we be mounding? couldn't you be mounding? couldn't they be mounding?
Perfect	V-ing perfect
couldn't I have mounded? couldn't you have mounded? couldn't he have mounded? couldn't we have mounded? couldn't you have mounded? couldn't they have mounded?	couldn't I have been mounding? couldn't you have been mounding? couldn't he have been mounding? couldn't we have been mounding? couldn't you have been mounding? couldn't they have been mounding?