You help him accumulate, about 50 minutes, you help him accumulate 5, you teach him to read.
If it is 1 1- 15 years old (like me), you let him watch movies like Twilight and High School Musical (my teacher is like this).
But you can't just let him see it. Look at the length of the film, such as 120 minutes. You ask him to recite 20 words in it (almost enough), and then five of them can be read after reading (minimum standard), and the rest can be searched online by yourself, or you can search by yourself (it is best to search by yourself, and if he is too active, play games online instead), and then.
Ok, he can read, you continue to show him the second movie, and so on.
Two situations: get up in the morning and let him read what he has accumulated, every day,
If your child insists and treats each other sincerely, I think your child will see the effect soon in about two months.
If you 16 or above, I think you'd better buy him a walkman, let him listen to the pronunciation of the words in it when he is free, and read them out, preferably in the morning, and read them out loud.
If the words are ok, then read the sentences.
The sentence is ok, read the article,
I think the most important thing in learning English is not to do problems, but to speak and listen to English.