could vary vary
Verbo regular: vary vary - vary varied- vary varied

, este verbo pode não existir, a conjugação é dada como exemplo.

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could vary vary
you could vary vary
he could vary vary
we could vary vary
you could vary vary
they could vary vary 	I could be vary varying
you could be vary varying
he could be vary varying
we could be vary varying
you could be vary varying
they could be vary varying	I could have vary varied
you could have vary varied
he could have vary varied
we could have vary varied
you could have vary varied
they could have vary varied	I could have been vary varying
you could have been vary varying
he could have been vary varying
we could have been vary varying
you could have been vary varying
they could have been vary varying	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not vary vary
you could not vary vary
he could not vary vary
we could not vary vary
you could not vary vary
they could not vary vary 	I could not be vary varying
you could not be vary varying
he could not be vary varying
we could not be vary varying
you could not be vary varying
they could not be vary varying	I could not have vary varied
you could not have vary varied
he could not have vary varied
we could not have vary varied
you could not have vary varied
they could not have vary varied	I could not have been vary varying
you could not have been vary varying
he could not have been vary varying
we could not have been vary varying
you could not have been vary varying
they could not have been vary varying	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I vary vary?
could you vary vary?
could he vary vary?
could we vary vary?
could you vary vary?
could they vary vary? 	could I be vary varying?
could you be vary varying?
could he be vary varying?
could we be vary varying?
could you be vary varying?
could they be vary varying? 	could I have vary varied?
could you have vary varied?
could he have vary varied?
could we have vary varied?
could you have vary varied?
could they have vary varied? 	could I have been vary varying?
could you have been vary varying?
could he have been vary varying?
could we have been vary varying?
could you have been vary varying?
could they have been vary varying? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not vary vary?
could you not vary vary?
could he not vary vary?
could we not vary vary?
could you not vary vary?
could they not vary vary? 	could I not be vary varying?
could you not be vary varying?
could he not be vary varying?
could we not be vary varying?
could you not be vary varying?
could they not be vary varying? 	could I not have vary varied?
could you not have vary varied?
could he not have vary varied?
could we not have vary varied?
could you not have vary varied?
could they not have vary varied? 	could I not have been vary varying?
could you not have been vary varying?
could he not have been vary varying?
could we not have been vary varying?
could you not have been vary varying?
could they not have been vary varying?