English verb conjugation
COULD SPIEL

Regular verb: spiel - spieled - spieled

Affirmation

Simple form	V-ing form
I could spiel you could spiel he could spiel we could spiel you could spiel they could spiel	I could be spieling you could be spieling he could be spieling we could be spieling you could be spieling they could be spieling
Perfect	V-ing perfect
I could have spieled you could have spieled he could have spieled we could have spieled you could have spieled they could have spieled	I could have been spieling you could have been spieling he could have been spieling we could have been spieling you could have been spieling they could have been spieling

Negation

Simple form	V-ing form
I couldn't spiel you couldn't spiel he couldn't spiel we couldn't spiel you couldn't spiel they couldn't spiel	I couldn't be spieling you couldn't be spieling he couldn't be spieling we couldn't be spieling you couldn't be spieling they couldn't be spieling
Perfect	V-ing perfect
I couldn't have spieled you couldn't have spieled he couldn't have spieled we couldn't have spieled you couldn't have spieled they couldn't have spieled	I couldn't have been spieling you couldn't have been spieling he couldn't have been spieling we couldn't have been spieling you couldn't have been spieling they couldn't have been spieling

Interrogative form

Simple form	V-ing form
could I spiel? could you spiel? could he spiel? could we spiel? could you spiel? could they spiel?	could I be spieling? could you be spieling? could he be spieling? could we be spieling? could you be spieling? could they be spieling?
Perfect	V-ing perfect
could I have spieled? could you have spieled? could he have spieled? could we have spieled? could you have spieled? could they have spieled?	could I have been spieling? could you have been spieling? could he have been spieling? could we have been spieling? could you have been spieling? could they have been spieling?

Interro-negative form

Simple form	V-ing form
couldn't I spiel? couldn't you spiel? couldn't he spiel? couldn't we spiel? couldn't you spiel? couldn't they spiel?	couldn't I be spieling? couldn't you be spieling? couldn't he be spieling? couldn't we be spieling? couldn't you be spieling? couldn't they be spieling?
Perfect	V-ing perfect
couldn't I have spieled? couldn't you have spieled? couldn't he have spieled? couldn't we have spieled? couldn't you have spieled? couldn't they have spieled?	couldn't I have been spieling? couldn't you have been spieling? couldn't he have been spieling? couldn't we have been spieling? couldn't you have been spieling? couldn't they have been spieling?