In preparation for going to school, we thought this link about phonics would be useful to watch to support your child's early reading skills.  The link links with Jolly Phonics, even if this isn't the scheme your child's school uses, the video is worth watching to help explain why phonics is used in the early years.
This video link demonstrates the first 26 letter sounds and actions.  This will help you as parents support your child in pronouncing the correct letter sounds