Complete the following paragraph on a school sport meeting by ruling in the blanks with could not have, might not have, should not have or would not have.
At this year's sports meeting, many records were broken but the reigning sports champion, Ravi, surprisingly could not make it to the finals in any of his favourite events. Perhaps he_______ missed so many of his practice sessions. His coach tends to think that he __________ had the time to get fit enough because of his special classes in the evenings. Even if he had tried, he _________ beaten Ramu, who was much better prepared. If it had not been for Ramu, our school___________ gained a place in the draw of the inter school tournament.