Take a four line English notebook. On each page write at least 4 letters and ask the child to write it after seeing how is it written..... Like on 1st page ( on the top) write A,B,C,D and tell the child to write A under A, B under B and so on. Repeat the same with other letters... Make him/her practice daily and he/she will learn quickly. If then also the child is not able to do so then hold the hand of the child and make him/her write. It will really help. Also make that child listen to alphabetical rhymes so that he/she learns them quickly.