English verb conjugation
COULD COMPOUND

Regular verb: compound - compounded - compounded

Affirmation

Simple form	V-ing form
I could compound you could compound he could compound we could compound you could compound they could compound	I could be compounding you could be compounding he could be compounding we could be compounding you could be compounding they could be compounding
Perfect	V-ing perfect
I could have compounded you could have compounded he could have compounded we could have compounded you could have compounded they could have compounded	I could have been compounding you could have been compounding he could have been compounding we could have been compounding you could have been compounding they could have been compounding

Negation

Simple form	V-ing form
I couldn't compound you couldn't compound he couldn't compound we couldn't compound you couldn't compound they couldn't compound	I couldn't be compounding you couldn't be compounding he couldn't be compounding we couldn't be compounding you couldn't be compounding they couldn't be compounding
Perfect	V-ing perfect
I couldn't have compounded you couldn't have compounded he couldn't have compounded we couldn't have compounded you couldn't have compounded they couldn't have compounded	I couldn't have been compounding you couldn't have been compounding he couldn't have been compounding we couldn't have been compounding you couldn't have been compounding they couldn't have been compounding

Interrogative form

Simple form	V-ing form
could I compound? could you compound? could he compound? could we compound? could you compound? could they compound?	could I be compounding? could you be compounding? could he be compounding? could we be compounding? could you be compounding? could they be compounding?
Perfect	V-ing perfect
could I have compounded? could you have compounded? could he have compounded? could we have compounded? could you have compounded? could they have compounded?	could I have been compounding? could you have been compounding? could he have been compounding? could we have been compounding? could you have been compounding? could they have been compounding?

Interro-negative form

Simple form	V-ing form
couldn't I compound? couldn't you compound? couldn't he compound? couldn't we compound? couldn't you compound? couldn't they compound?	couldn't I be compounding? couldn't you be compounding? couldn't he be compounding? couldn't we be compounding? couldn't you be compounding? couldn't they be compounding?
Perfect	V-ing perfect
couldn't I have compounded? couldn't you have compounded? couldn't he have compounded? couldn't we have compounded? couldn't you have compounded? couldn't they have compounded?	couldn't I have been compounding? couldn't you have been compounding? couldn't he have been compounding? couldn't we have been compounding? couldn't you have been compounding? couldn't they have been compounding?