Fill in the comparative or superlative form of the adjectives in brackets. 1 cristiano ronaldo is (tall) than lionel messi. 2 michael phelps (fast) swimmer in the world. 3 serena williams is(strong) than her sister, venus 4 golfer tiger woods ) than tennis player roger federer. 5 yelena isinbayeva ) female pole vaulter of all. grzegorz lato ) polish footballer of all time.