English verb conjugation
COULD RUBBISH

Regular verb: rubbish - rubbished - rubbished

Affirmation

Simple form	V-ing form
I could rubbish you could rubbish he could rubbish we could rubbish you could rubbish they could rubbish	I could be rubbishing you could be rubbishing he could be rubbishing we could be rubbishing you could be rubbishing they could be rubbishing
Perfect	V-ing perfect
I could have rubbished you could have rubbished he could have rubbished we could have rubbished you could have rubbished they could have rubbished	I could have been rubbishing you could have been rubbishing he could have been rubbishing we could have been rubbishing you could have been rubbishing they could have been rubbishing

Negation

Simple form	V-ing form
I couldn't rubbish you couldn't rubbish he couldn't rubbish we couldn't rubbish you couldn't rubbish they couldn't rubbish	I couldn't be rubbishing you couldn't be rubbishing he couldn't be rubbishing we couldn't be rubbishing you couldn't be rubbishing they couldn't be rubbishing
Perfect	V-ing perfect
I couldn't have rubbished you couldn't have rubbished he couldn't have rubbished we couldn't have rubbished you couldn't have rubbished they couldn't have rubbished	I couldn't have been rubbishing you couldn't have been rubbishing he couldn't have been rubbishing we couldn't have been rubbishing you couldn't have been rubbishing they couldn't have been rubbishing

Interrogative form

Simple form	V-ing form
could I rubbish? could you rubbish? could he rubbish? could we rubbish? could you rubbish? could they rubbish?	could I be rubbishing? could you be rubbishing? could he be rubbishing? could we be rubbishing? could you be rubbishing? could they be rubbishing?
Perfect	V-ing perfect
could I have rubbished? could you have rubbished? could he have rubbished? could we have rubbished? could you have rubbished? could they have rubbished?	could I have been rubbishing? could you have been rubbishing? could he have been rubbishing? could we have been rubbishing? could you have been rubbishing? could they have been rubbishing?

Interro-negative form

Simple form	V-ing form
couldn't I rubbish? couldn't you rubbish? couldn't he rubbish? couldn't we rubbish? couldn't you rubbish? couldn't they rubbish?	couldn't I be rubbishing? couldn't you be rubbishing? couldn't he be rubbishing? couldn't we be rubbishing? couldn't you be rubbishing? couldn't they be rubbishing?
Perfect	V-ing perfect
couldn't I have rubbished? couldn't you have rubbished? couldn't he have rubbished? couldn't we have rubbished? couldn't you have rubbished? couldn't they have rubbished?	couldn't I have been rubbishing? couldn't you have been rubbishing? couldn't he have been rubbishing? couldn't we have been rubbishing? couldn't you have been rubbishing? couldn't they have been rubbishing?