The draft of innovative methods of teaching English helps to achieve
results by teaching in a playful way. Some new principles of teaching
and learning grammar will broaden horizons. Sustainable Rainbow English
describes some principles of learning an English grammar in a funny and
easy way. The Butterfly Principle, the Rainbow Principle and the
Merry-go-Round Principle will show a secret path to the world of
English. Children will adore it the way they like some amazing
adventures or an amusement park. This book looks like a large park which
has a lot of activities and games that children can play on and enjoy!