Mr McCarthy's Cryptic Crossword

123456
Across
  1. 3. bard who makes a phrase speak (11)
  2. 5. A king altered I'm sad (5)
  3. 6. Language distorted shingle (7)
Down
  1. 1. Best teacher oddly in cram rhythm (2,8)
  2. 2. Literature for reading (5)
  3. 4. found in spreading knowledge(7)