These are the worksheets we have worked these days in the classroom. The answer sheet is at the end of the document for you to correct the sentences on your own.
For those who want to review, here you have some videos about 'reported speech'. Don't forget to complete the exercises at the end of the first link (website of the British council).
You know the basic rules to make comparative and superlative sentences depending on the adjective. Here you have more uses of this grammar for those who want to extend their knowledge about the topic.
These are two web pages where you can review the use of ´Will´ for future predictions. Do not forget to play the games and the 'Check grammar' part at the end of the pages.