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 couldn't shine you couldn't shine he couldn't shine we couldn't shine you couldn't shine they couldn't shine	I couldn't be shining you couldn't be shining he couldn't be shining we couldn't be shining you couldn't be shining they couldn't be shining
Perfect	V-ing perfect
I couldn't have shined, shone you couldn't have shined, shone he couldn't have shined, shone we couldn't have shined, shone you couldn't have shined, shone they couldn't have shined, shone	I couldn't have been shining you couldn't have been shining he couldn't have been shining we couldn't have been shining you couldn't have been shining they couldn't 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
couldn't I shine? couldn't you shine? couldn't he shine? couldn't we shine? couldn't you shine? couldn't they shine?	couldn't I be shining? couldn't you be shining? couldn't he be shining? couldn't we be shining? couldn't you be shining? couldn't they be shining?
Perfect	V-ing perfect
couldn't I have shined, shone? couldn't you have shined, shone? couldn't he have shined, shone? couldn't we have shined, shone? couldn't you have shined, shone? couldn't they have shined, shone?	couldn't I have been shining? couldn't you have been shining? couldn't he have been shining? couldn't we have been shining? couldn't you have been shining? couldn't they have been shining?