English verb conjugation
COULD MALFUNCTION

Regular verb: malfunction - malfunctioned - malfunctioned

Affirmation

Simple form	V-ing form
I could malfunction you could malfunction she could malfunction we could malfunction you could malfunction they could malfunction	I could be malfunctioning you could be malfunctioning she could be malfunctioning we could be malfunctioning you could be malfunctioning they could be malfunctioning
Perfect	V-ing perfect
I could have malfunctioned you could have malfunctioned she could have malfunctioned we could have malfunctioned you could have malfunctioned they could have malfunctioned	I could have been malfunctioning you could have been malfunctioning she could have been malfunctioning we could have been malfunctioning you could have been malfunctioning they could have been malfunctioning

Negation

Simple form	V-ing form
I couldn't malfunction you couldn't malfunction she couldn't malfunction we couldn't malfunction you couldn't malfunction they couldn't malfunction	I couldn't be malfunctioning you couldn't be malfunctioning she couldn't be malfunctioning we couldn't be malfunctioning you couldn't be malfunctioning they couldn't be malfunctioning
Perfect	V-ing perfect
I couldn't have malfunctioned you couldn't have malfunctioned she couldn't have malfunctioned we couldn't have malfunctioned you couldn't have malfunctioned they couldn't have malfunctioned	I couldn't have been malfunctioning you couldn't have been malfunctioning she couldn't have been malfunctioning we couldn't have been malfunctioning you couldn't have been malfunctioning they couldn't have been malfunctioning

Interrogative form

Simple form	V-ing form
could I malfunction? could you malfunction? could she malfunction? could we malfunction? could you malfunction? could they malfunction?	could I be malfunctioning? could you be malfunctioning? could she be malfunctioning? could we be malfunctioning? could you be malfunctioning? could they be malfunctioning?
Perfect	V-ing perfect
could I have malfunctioned? could you have malfunctioned? could she have malfunctioned? could we have malfunctioned? could you have malfunctioned? could they have malfunctioned?	could I have been malfunctioning? could you have been malfunctioning? could she have been malfunctioning? could we have been malfunctioning? could you have been malfunctioning? could they have been malfunctioning?

Interro-negative form

Simple form	V-ing form
couldn't I malfunction? couldn't you malfunction? couldn't she malfunction? couldn't we malfunction? couldn't you malfunction? couldn't they malfunction?	couldn't I be malfunctioning? couldn't you be malfunctioning? couldn't she be malfunctioning? couldn't we be malfunctioning? couldn't you be malfunctioning? couldn't they be malfunctioning?
Perfect	V-ing perfect
couldn't I have malfunctioned? couldn't you have malfunctioned? couldn't she have malfunctioned? couldn't we have malfunctioned? couldn't you have malfunctioned? couldn't they have malfunctioned?	couldn't I have been malfunctioning? couldn't you have been malfunctioning? couldn't she have been malfunctioning? couldn't we have been malfunctioning? couldn't you have been malfunctioning? couldn't they have been malfunctioning?