English verb conjugation
COULD SCUD

Regular verb: scud - scudded - scudded

Affirmation

Simple form	V-ing form
I could scud you could scud he could scud we could scud you could scud they could scud	I could be scudding you could be scudding he could be scudding we could be scudding you could be scudding they could be scudding
Perfect	V-ing perfect
I could have scudded you could have scudded he could have scudded we could have scudded you could have scudded they could have scudded	I could have been scudding you could have been scudding he could have been scudding we could have been scudding you could have been scudding they could have been scudding

Negation

Simple form	V-ing form
I couldn't scud you couldn't scud he couldn't scud we couldn't scud you couldn't scud they couldn't scud	I couldn't be scudding you couldn't be scudding he couldn't be scudding we couldn't be scudding you couldn't be scudding they couldn't be scudding
Perfect	V-ing perfect
I couldn't have scudded you couldn't have scudded he couldn't have scudded we couldn't have scudded you couldn't have scudded they couldn't have scudded	I couldn't have been scudding you couldn't have been scudding he couldn't have been scudding we couldn't have been scudding you couldn't have been scudding they couldn't have been scudding

Interrogative form

Simple form	V-ing form
could I scud? could you scud? could he scud? could we scud? could you scud? could they scud?	could I be scudding? could you be scudding? could he be scudding? could we be scudding? could you be scudding? could they be scudding?
Perfect	V-ing perfect
could I have scudded? could you have scudded? could he have scudded? could we have scudded? could you have scudded? could they have scudded?	could I have been scudding? could you have been scudding? could he have been scudding? could we have been scudding? could you have been scudding? could they have been scudding?

Interro-negative form

Simple form	V-ing form
couldn't I scud? couldn't you scud? couldn't he scud? couldn't we scud? couldn't you scud? couldn't they scud?	couldn't I be scudding? couldn't you be scudding? couldn't he be scudding? couldn't we be scudding? couldn't you be scudding? couldn't they be scudding?
Perfect	V-ing perfect
couldn't I have scudded? couldn't you have scudded? couldn't he have scudded? couldn't we have scudded? couldn't you have scudded? couldn't they have scudded?	couldn't I have been scudding? couldn't you have been scudding? couldn't he have been scudding? couldn't we have been scudding? couldn't you have been scudding? couldn't they have been scudding?