Write the comparative form :
3. kind..............................
5. clever...........................
6. intelligent....................
8. interesting..................
11. sweet...........................
12. boring..........................
13. ugly..............................

3. Kind - kinder - the kindest
5. Clever - cleverer - the cleverest
6. Intelligent - more intelligent - the most intelligent
8. Interesting - more interesting - the most interesting
11. Sweet - sweeter - the sweetest
12. Boring - more boring - the most boring
13. Ugly - uglier - the ugliest