English verb conjugation
COULD HIGGLE

Regular verb: higgle - higgled - higgled

Affirmation

Simple form	V-ing form
I could higgle you could higgle he could higgle we could higgle you could higgle they could higgle	I could be higgling you could be higgling he could be higgling we could be higgling you could be higgling they could be higgling
Perfect	V-ing perfect
I could have higgled you could have higgled he could have higgled we could have higgled you could have higgled they could have higgled	I could have been higgling you could have been higgling he could have been higgling we could have been higgling you could have been higgling they could have been higgling

Negation

Simple form	V-ing form
I couldn't higgle you couldn't higgle he couldn't higgle we couldn't higgle you couldn't higgle they couldn't higgle	I couldn't be higgling you couldn't be higgling he couldn't be higgling we couldn't be higgling you couldn't be higgling they couldn't be higgling
Perfect	V-ing perfect
I couldn't have higgled you couldn't have higgled he couldn't have higgled we couldn't have higgled you couldn't have higgled they couldn't have higgled	I couldn't have been higgling you couldn't have been higgling he couldn't have been higgling we couldn't have been higgling you couldn't have been higgling they couldn't have been higgling

Interrogative form

Simple form	V-ing form
could I higgle? could you higgle? could he higgle? could we higgle? could you higgle? could they higgle?	could I be higgling? could you be higgling? could he be higgling? could we be higgling? could you be higgling? could they be higgling?
Perfect	V-ing perfect
could I have higgled? could you have higgled? could he have higgled? could we have higgled? could you have higgled? could they have higgled?	could I have been higgling? could you have been higgling? could he have been higgling? could we have been higgling? could you have been higgling? could they have been higgling?

Interro-negative form

Simple form	V-ing form
couldn't I higgle? couldn't you higgle? couldn't he higgle? couldn't we higgle? couldn't you higgle? couldn't they higgle?	couldn't I be higgling? couldn't you be higgling? couldn't he be higgling? couldn't we be higgling? couldn't you be higgling? couldn't they be higgling?
Perfect	V-ing perfect
couldn't I have higgled? couldn't you have higgled? couldn't he have higgled? couldn't we have higgled? couldn't you have higgled? couldn't they have higgled?	couldn't I have been higgling? couldn't you have been higgling? couldn't he have been higgling? couldn't we have been higgling? couldn't you have been higgling? couldn't they have been higgling?