The Manchester City winger featured prominently in the qualifiers under then England manager
Johnson told www.mcfc.co.uk: "I'll be quite honest and say I really think I should have been selected because I played five times in the qualifiers and scored two goals so I thought I'd proved my worth.
"When I played for City last season I scored a few goals and made a few as well so it took me a while to accept not being able to represent my country at a major championship, because the same thing happened at the World Cup two years ago.
"To be fair,
Johnson paid for a poor end to the season domestically. He did not feature at all in City's last three games as it clinched the Premier League title for the first time and his last domestic start came against Bolton Wanderers on 3
The 24-year-old is determined to force his way back into boss
"It's tough but you have to keep plugging away and just give your all. We won the title, which was the main thing, but obviously you want to feel you've played your part, too.
"Things can change pretty quickly in football and this is a new season and we all start with a clean slate once again. What I need to do is respond, try even harder and react positively."
Arsenal midfielder Jack Wilshere hopes the latest operation on his troublesome ankle will prove the last as he looks to recover full fitness for both club and country next season.