English verb conjugation
COULD OUTYIELD

Regular verb: outyield - outyielded - outyielded

Affirmation

Simple form	V-ing form
I could outyield you could outyield he could outyield we could outyield you could outyield they could outyield	I could be outyielding you could be outyielding he could be outyielding we could be outyielding you could be outyielding they could be outyielding
Perfect	V-ing perfect
I could have outyielded you could have outyielded he could have outyielded we could have outyielded you could have outyielded they could have outyielded	I could have been outyielding you could have been outyielding he could have been outyielding we could have been outyielding you could have been outyielding they could have been outyielding

Negation

Simple form	V-ing form
I couldn't outyield you couldn't outyield he couldn't outyield we couldn't outyield you couldn't outyield they couldn't outyield	I couldn't be outyielding you couldn't be outyielding he couldn't be outyielding we couldn't be outyielding you couldn't be outyielding they couldn't be outyielding
Perfect	V-ing perfect
I couldn't have outyielded you couldn't have outyielded he couldn't have outyielded we couldn't have outyielded you couldn't have outyielded they couldn't have outyielded	I couldn't have been outyielding you couldn't have been outyielding he couldn't have been outyielding we couldn't have been outyielding you couldn't have been outyielding they couldn't have been outyielding

Interrogative form

Simple form	V-ing form
could I outyield? could you outyield? could he outyield? could we outyield? could you outyield? could they outyield?	could I be outyielding? could you be outyielding? could he be outyielding? could we be outyielding? could you be outyielding? could they be outyielding?
Perfect	V-ing perfect
could I have outyielded? could you have outyielded? could he have outyielded? could we have outyielded? could you have outyielded? could they have outyielded?	could I have been outyielding? could you have been outyielding? could he have been outyielding? could we have been outyielding? could you have been outyielding? could they have been outyielding?

Interro-negative form

Simple form	V-ing form
couldn't I outyield? couldn't you outyield? couldn't he outyield? couldn't we outyield? couldn't you outyield? couldn't they outyield?	couldn't I be outyielding? couldn't you be outyielding? couldn't he be outyielding? couldn't we be outyielding? couldn't you be outyielding? couldn't they be outyielding?
Perfect	V-ing perfect
couldn't I have outyielded? couldn't you have outyielded? couldn't he have outyielded? couldn't we have outyielded? couldn't you have outyielded? couldn't they have outyielded?	couldn't I have been outyielding? couldn't you have been outyielding? couldn't he have been outyielding? couldn't we have been outyielding? couldn't you have been outyielding? couldn't they have been outyielding?