English verb conjugation
COULD SUSS

Regular verb: suss - sussed - sussed

Affirmation

Simple form	V-ing form
I could suss you could suss he could suss we could suss you could suss they could suss	I could be sussing you could be sussing he could be sussing we could be sussing you could be sussing they could be sussing
Perfect	V-ing perfect
I could have sussed you could have sussed he could have sussed we could have sussed you could have sussed they could have sussed	I could have been sussing you could have been sussing he could have been sussing we could have been sussing you could have been sussing they could have been sussing

Negation

Simple form	V-ing form
I couldn't suss you couldn't suss he couldn't suss we couldn't suss you couldn't suss they couldn't suss	I couldn't be sussing you couldn't be sussing he couldn't be sussing we couldn't be sussing you couldn't be sussing they couldn't be sussing
Perfect	V-ing perfect
I couldn't have sussed you couldn't have sussed he couldn't have sussed we couldn't have sussed you couldn't have sussed they couldn't have sussed	I couldn't have been sussing you couldn't have been sussing he couldn't have been sussing we couldn't have been sussing you couldn't have been sussing they couldn't have been sussing

Interrogative form

Simple form	V-ing form
could I suss? could you suss? could he suss? could we suss? could you suss? could they suss?	could I be sussing? could you be sussing? could he be sussing? could we be sussing? could you be sussing? could they be sussing?
Perfect	V-ing perfect
could I have sussed? could you have sussed? could he have sussed? could we have sussed? could you have sussed? could they have sussed?	could I have been sussing? could you have been sussing? could he have been sussing? could we have been sussing? could you have been sussing? could they have been sussing?

Interro-negative form

Simple form	V-ing form
couldn't I suss? couldn't you suss? couldn't he suss? couldn't we suss? couldn't you suss? couldn't they suss?	couldn't I be sussing? couldn't you be sussing? couldn't he be sussing? couldn't we be sussing? couldn't you be sussing? couldn't they be sussing?
Perfect	V-ing perfect
couldn't I have sussed? couldn't you have sussed? couldn't he have sussed? couldn't we have sussed? couldn't you have sussed? couldn't they have sussed?	couldn't I have been sussing? couldn't you have been sussing? couldn't he have been sussing? couldn't we have been sussing? couldn't you have been sussing? couldn't they have been sussing?