English verb conjugation
COULD SHINE

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

Affirmation

Simple form	V-ing form
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
Perfect	V-ing perfect
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
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
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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
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?
Perfect	V-ing perfect
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?