could shine
Irregular verb: shine - shined, shone- shined, shone

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could shine
you could shine
he could shine
we could shine
you could shine
they could shine 	I could be shining
you could be shining
he could be shining
we could be shining
you could be shining
they could be shining	I could have shined, shone
you could have shined, shone
he could have shined, shone
we could have shined, shone
you could have shined, shone
they could have shined, shone	I could have been shining
you could have been shining
he could have been shining
we could have been shining
you could have been shining
they could have been shining	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not shine
you could not shine
he could not shine
we could not shine
you could not shine
they could not shine 	I could not be shining
you could not be shining
he could not be shining
we could not be shining
you could not be shining
they could not be shining	I could not have shined, shone
you could not have shined, shone
he could not have shined, shone
we could not have shined, shone
you could not have shined, shone
they could not have shined, shone	I could not have been shining
you could not have been shining
he could not have been shining
we could not have been shining
you could not have been shining
they could not have been shining	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I shine?
could you shine?
could he shine?
could we shine?
could you shine?
could they shine? 	could I be shining?
could you be shining?
could he be shining?
could we be shining?
could you be shining?
could they be shining? 	could I have shined, shone?
could you have shined, shone?
could he have shined, shone?
could we have shined, shone?
could you have shined, shone?
could they have shined, shone? 	could I have been shining?
could you have been shining?
could he have been shining?
could we have been shining?
could you have been shining?
could they have been shining? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not shine?
could you not shine?
could he not shine?
could we not shine?
could you not shine?
could they not shine? 	could I not be shining?
could you not be shining?
could he not be shining?
could we not be shining?
could you not be shining?
could they not be shining? 	could I not have shined, shone?
could you not have shined, shone?
could he not have shined, shone?
could we not have shined, shone?
could you not have shined, shone?
could they not have shined, shone? 	could I not have been shining?
could you not have been shining?
could he not have been shining?
could we not have been shining?
could you not have been shining?
could they not have been shining?