2. more careful, the most careful, carefully, more carefully
3. happier, the happiest, happily, more happily
4. more intelligent, the most intelligent, intelligently, more intelligently
Объяснение:
2. more careful, the most careful, carefully, more carefully
3. happier, the happiest, happily, more happily
4. more intelligent, the most intelligent, intelligently, more intelligently
Объяснение: