when a kid is not happy and crying, don't let him/her continue t

You give him too much stress.

Learning needs to be enjoyable with fun. What is the point to set up a goal for him to remember all the letters in only one week, whilst the poor little boy does not like it at all?

Recommend: use the modern tools like youtube to teach a kids for these difficult suff.

A company with a short name of 'elf' have a variety of good songs for how to learn alphabets and even phonics. Also type ' moth goose" and you can get heaps good videos for learning, like the one below

http://www.youtube.com/user/mothergooseclub?v=CfhPNypMhOg