English verb conjugation
COULD SLEIGH

Regular verb: sleigh - sleighed - sleighed

Affirmation

Simple form	V-ing form
I could sleigh you could sleigh he could sleigh we could sleigh you could sleigh they could sleigh	I could be sleighing you could be sleighing he could be sleighing we could be sleighing you could be sleighing they could be sleighing
Perfect	V-ing perfect
I could have sleighed you could have sleighed he could have sleighed we could have sleighed you could have sleighed they could have sleighed	I could have been sleighing you could have been sleighing he could have been sleighing we could have been sleighing you could have been sleighing they could have been sleighing

Negation

Simple form	V-ing form
I couldn't sleigh you couldn't sleigh he couldn't sleigh we couldn't sleigh you couldn't sleigh they couldn't sleigh	I couldn't be sleighing you couldn't be sleighing he couldn't be sleighing we couldn't be sleighing you couldn't be sleighing they couldn't be sleighing
Perfect	V-ing perfect
I couldn't have sleighed you couldn't have sleighed he couldn't have sleighed we couldn't have sleighed you couldn't have sleighed they couldn't have sleighed	I couldn't have been sleighing you couldn't have been sleighing he couldn't have been sleighing we couldn't have been sleighing you couldn't have been sleighing they couldn't have been sleighing

Interrogative form

Simple form	V-ing form
could I sleigh? could you sleigh? could he sleigh? could we sleigh? could you sleigh? could they sleigh?	could I be sleighing? could you be sleighing? could he be sleighing? could we be sleighing? could you be sleighing? could they be sleighing?
Perfect	V-ing perfect
could I have sleighed? could you have sleighed? could he have sleighed? could we have sleighed? could you have sleighed? could they have sleighed?	could I have been sleighing? could you have been sleighing? could he have been sleighing? could we have been sleighing? could you have been sleighing? could they have been sleighing?

Interro-negative form

Simple form	V-ing form
couldn't I sleigh? couldn't you sleigh? couldn't he sleigh? couldn't we sleigh? couldn't you sleigh? couldn't they sleigh?	couldn't I be sleighing? couldn't you be sleighing? couldn't he be sleighing? couldn't we be sleighing? couldn't you be sleighing? couldn't they be sleighing?
Perfect	V-ing perfect
couldn't I have sleighed? couldn't you have sleighed? couldn't he have sleighed? couldn't we have sleighed? couldn't you have sleighed? couldn't they have sleighed?	couldn't I have been sleighing? couldn't you have been sleighing? couldn't he have been sleighing? couldn't we have been sleighing? couldn't you have been sleighing? couldn't they have been sleighing?