Applying Negative Capability to Keats

How can knowledge of this abstract theory help us understand Keats' poetry?  Try to fill in the table with quotes from the poems which you think best represent this idea.
Poem Quote Explanation
Ode to Autumn    
Ode on Melancholy    
La Belle Dame Sans Merci    
Eve of St Agnes    
On First Looking Upon Chapman's Homer    
When I have Fears    

Keats' Kingdom 2004 -