Conjugación del verbo inglés
COULD YIELD

Verbo regular: yield - yielded - yielded

Afirmación

Forma simple	Forma con V-ing
I could yield you could yield he could yield we could yield you could yield they could yield	I could be yielding you could be yielding he could be yielding we could be yielding you could be yielding they could be yielding
Perfecto	Perfecto con V-ing
I could have yielded you could have yielded he could have yielded we could have yielded you could have yielded they could have yielded	I could have been yielding you could have been yielding he could have been yielding we could have been yielding you could have been yielding they could have been yielding

Negación

Forma simple	Forma con V-ing
I couldn't yield you couldn't yield he couldn't yield we couldn't yield you couldn't yield they couldn't yield	I couldn't be yielding you couldn't be yielding he couldn't be yielding we couldn't be yielding you couldn't be yielding they couldn't be yielding
Perfecto	Perfecto con V-ing
I couldn't have yielded you couldn't have yielded he couldn't have yielded we couldn't have yielded you couldn't have yielded they couldn't have yielded	I couldn't have been yielding you couldn't have been yielding he couldn't have been yielding we couldn't have been yielding you couldn't have been yielding they couldn't have been yielding

Forma interrogativa

Forma simple	Forma con V-ing
could I yield? could you yield? could he yield? could we yield? could you yield? could they yield?	could I be yielding? could you be yielding? could he be yielding? could we be yielding? could you be yielding? could they be yielding?
Perfecto	Perfecto con V-ing
could I have yielded? could you have yielded? could he have yielded? could we have yielded? could you have yielded? could they have yielded?	could I have been yielding? could you have been yielding? could he have been yielding? could we have been yielding? could you have been yielding? could they have been yielding?

Forma interro-negativa

Forma simple	Forma con V-ing
couldn't I yield? couldn't you yield? couldn't he yield? couldn't we yield? couldn't you yield? couldn't they yield?	couldn't I be yielding? couldn't you be yielding? couldn't he be yielding? couldn't we be yielding? couldn't you be yielding? couldn't they be yielding?
Perfecto	Perfecto con V-ing
couldn't I have yielded? couldn't you have yielded? couldn't he have yielded? couldn't we have yielded? couldn't you have yielded? couldn't they have yielded?	couldn't I have been yielding? couldn't you have been yielding? couldn't he have been yielding? couldn't we have been yielding? couldn't you have been yielding? couldn't they have been yielding?