English verb conjugation
COULD INTERPRET

Regular verb: interpret - interpreted - interpreted

Affirmation

Simple form	V-ing form
I could interpret you could interpret she could interpret we could interpret you could interpret they could interpret	I could be interpreting you could be interpreting she could be interpreting we could be interpreting you could be interpreting they could be interpreting
Perfect	V-ing perfect
I could have interpreted you could have interpreted she could have interpreted we could have interpreted you could have interpreted they could have interpreted	I could have been interpreting you could have been interpreting she could have been interpreting we could have been interpreting you could have been interpreting they could have been interpreting

Negation

Simple form	V-ing form
I couldn't interpret you couldn't interpret she couldn't interpret we couldn't interpret you couldn't interpret they couldn't interpret	I couldn't be interpreting you couldn't be interpreting she couldn't be interpreting we couldn't be interpreting you couldn't be interpreting they couldn't be interpreting
Perfect	V-ing perfect
I couldn't have interpreted you couldn't have interpreted she couldn't have interpreted we couldn't have interpreted you couldn't have interpreted they couldn't have interpreted	I couldn't have been interpreting you couldn't have been interpreting she couldn't have been interpreting we couldn't have been interpreting you couldn't have been interpreting they couldn't have been interpreting

Interrogative form

Simple form	V-ing form
could I interpret? could you interpret? could she interpret? could we interpret? could you interpret? could they interpret?	could I be interpreting? could you be interpreting? could she be interpreting? could we be interpreting? could you be interpreting? could they be interpreting?
Perfect	V-ing perfect
could I have interpreted? could you have interpreted? could she have interpreted? could we have interpreted? could you have interpreted? could they have interpreted?	could I have been interpreting? could you have been interpreting? could she have been interpreting? could we have been interpreting? could you have been interpreting? could they have been interpreting?

Interro-negative form

Simple form	V-ing form
couldn't I interpret? couldn't you interpret? couldn't she interpret? couldn't we interpret? couldn't you interpret? couldn't they interpret?	couldn't I be interpreting? couldn't you be interpreting? couldn't she be interpreting? couldn't we be interpreting? couldn't you be interpreting? couldn't they be interpreting?
Perfect	V-ing perfect
couldn't I have interpreted? couldn't you have interpreted? couldn't she have interpreted? couldn't we have interpreted? couldn't you have interpreted? couldn't they have interpreted?	couldn't I have been interpreting? couldn't you have been interpreting? couldn't she have been interpreting? couldn't we have been interpreting? couldn't you have been interpreting? couldn't they have been interpreting?