English verb conjugation
COULD DEVIL

Regular verb: devil - devilled - devilled

Affirmation

Simple form	V-ing form
I could devil you could devil he could devil we could devil you could devil they could devil	I could be devilling you could be devilling he could be devilling we could be devilling you could be devilling they could be devilling
Perfect	V-ing perfect
I could have devilled you could have devilled he could have devilled we could have devilled you could have devilled they could have devilled	I could have been devilling you could have been devilling he could have been devilling we could have been devilling you could have been devilling they could have been devilling

Negation

Simple form	V-ing form
I couldn't devil you couldn't devil he couldn't devil we couldn't devil you couldn't devil they couldn't devil	I couldn't be devilling you couldn't be devilling he couldn't be devilling we couldn't be devilling you couldn't be devilling they couldn't be devilling
Perfect	V-ing perfect
I couldn't have devilled you couldn't have devilled he couldn't have devilled we couldn't have devilled you couldn't have devilled they couldn't have devilled	I couldn't have been devilling you couldn't have been devilling he couldn't have been devilling we couldn't have been devilling you couldn't have been devilling they couldn't have been devilling

Interrogative form

Simple form	V-ing form
could I devil? could you devil? could he devil? could we devil? could you devil? could they devil?	could I be devilling? could you be devilling? could he be devilling? could we be devilling? could you be devilling? could they be devilling?
Perfect	V-ing perfect
could I have devilled? could you have devilled? could he have devilled? could we have devilled? could you have devilled? could they have devilled?	could I have been devilling? could you have been devilling? could he have been devilling? could we have been devilling? could you have been devilling? could they have been devilling?

Interro-negative form

Simple form	V-ing form
couldn't I devil? couldn't you devil? couldn't he devil? couldn't we devil? couldn't you devil? couldn't they devil?	couldn't I be devilling? couldn't you be devilling? couldn't he be devilling? couldn't we be devilling? couldn't you be devilling? couldn't they be devilling?
Perfect	V-ing perfect
couldn't I have devilled? couldn't you have devilled? couldn't he have devilled? couldn't we have devilled? couldn't you have devilled? couldn't they have devilled?	couldn't I have been devilling? couldn't you have been devilling? couldn't he have been devilling? couldn't we have been devilling? couldn't you have been devilling? couldn't they have been devilling?