Conjugación del verbo inglés
COULD YIELD

Verbo regular: yield - yielded - yielded

Afirmación

Forma simple	Forma con V-ing
I could yield you could yield she could yield we could yield you could yield they could yield	I could be yielding you could be yielding she 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 she 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 she 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 she 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 she 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 she 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 she 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 she yield? could we yield? could you yield? could they yield?	could I be yielding? could you be yielding? could she 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 she 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 she 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 she 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 she 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 she 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 she have been yielding? couldn't we have been yielding? couldn't you have been yielding? couldn't they have been yielding?