English verb conjugation
COULD ROAM

Regular verb: roam - roamed - roamed

Affirmation

Simple form	V-ing form
I could roam you could roam he could roam we could roam you could roam they could roam	I could be roaming you could be roaming he could be roaming we could be roaming you could be roaming they could be roaming
Perfect	V-ing perfect
I could have roamed you could have roamed he could have roamed we could have roamed you could have roamed they could have roamed	I could have been roaming you could have been roaming he could have been roaming we could have been roaming you could have been roaming they could have been roaming

Negation

Simple form	V-ing form
I couldn't roam you couldn't roam he couldn't roam we couldn't roam you couldn't roam they couldn't roam	I couldn't be roaming you couldn't be roaming he couldn't be roaming we couldn't be roaming you couldn't be roaming they couldn't be roaming
Perfect	V-ing perfect
I couldn't have roamed you couldn't have roamed he couldn't have roamed we couldn't have roamed you couldn't have roamed they couldn't have roamed	I couldn't have been roaming you couldn't have been roaming he couldn't have been roaming we couldn't have been roaming you couldn't have been roaming they couldn't have been roaming

Interrogative form

Simple form	V-ing form
could I roam? could you roam? could he roam? could we roam? could you roam? could they roam?	could I be roaming? could you be roaming? could he be roaming? could we be roaming? could you be roaming? could they be roaming?
Perfect	V-ing perfect
could I have roamed? could you have roamed? could he have roamed? could we have roamed? could you have roamed? could they have roamed?	could I have been roaming? could you have been roaming? could he have been roaming? could we have been roaming? could you have been roaming? could they have been roaming?

Interro-negative form

Simple form	V-ing form
couldn't I roam? couldn't you roam? couldn't he roam? couldn't we roam? couldn't you roam? couldn't they roam?	couldn't I be roaming? couldn't you be roaming? couldn't he be roaming? couldn't we be roaming? couldn't you be roaming? couldn't they be roaming?
Perfect	V-ing perfect
couldn't I have roamed? couldn't you have roamed? couldn't he have roamed? couldn't we have roamed? couldn't you have roamed? couldn't they have roamed?	couldn't I have been roaming? couldn't you have been roaming? couldn't he have been roaming? couldn't we have been roaming? couldn't you have been roaming? couldn't they have been roaming?