Children have problem in reading because they are not able to recognize the sounds of the letters of the alphabet in the words they read. Phonics reading will help children to recognize and associate sounds of the letters of the alphabet in the word they read. This will help them to improve in their reading skills and efficiency. In other words, it will be difficult for a child to improve in his reading skills if the teaching of phonics is removed from their curriculum.

As children become readers, they need to understand and use the relationship between letters and sounds to read words.[1] Phonics requires knowledge of letter recognition, sound recognition, and their associations. This means that children must recognize letters in words, and then produce their corresponding sounds to read words. Fortunately, there are fun activities that you can do with your child to promote phonics!

English has absorbed many words from other languages throughout its history, usually without changing the spelling of those words. As a result, the written form of English includes the spelling patterns of many languages (Old English, Old Norse, Norman French, Classical Latin and Greek, as well as numerous modern languages) superimposed upon one another.[7] These overlapping spelling patterns mean that in many cases the same sound can be spelled differently and the same spelling can represent different sounds. However, the spelling patterns usually follow certain conventions.[8] In addition, the Great Vowel Shift, a historical linguistic process in which the quality of many vowels in English changed while the spelling remained as it was, greatly diminished the transparency of English spelling in relation to pronunciation.
Diphthongs are linguistic elements that fuse two adjacent vowel sounds. English has four common diphthongs. The commonly recognized diphthongs are /aʊ/ as in cow and /ɔɪ/ as in boil. Three of the long vowels are also in fact combinations of two vowel sounds, in other words diphthongs: /aɪ/ as in "I" or mine, /oʊ/ as in no, and /eɪ/ as in bay, which partly accounts for the reason they are considered "long".
In addition, it is not clear how many months or years a phonics program should continue. If phonics has been systematically taught in kindergarten and 1st grade, should it continue to be emphasized in 2nd grade and beyond? How long should single instruction sessions last? How much ground should be covered in a program? Specifically, how many letter-sound relations should be taught, and how many different ways of using these relations to read and write words should be practiced for the benefits of phonics to be maximized? These questions remain for future research.