I'm not sure this is actually an approach I'd recommend. I was recently asked to give some supplemental English tutoring to a Chinese brother and sister, 9 and 5 years old. The 5-year-old could already use and understand 'simple' sentences such as "what do you see?" and "where is your brother?", though I'll note that the subject-auxiliary inversion required by a question of that form isn't exactly a simple concept.

I got them a copy of The Cat in the Hat, and their mother objected that it was too advanced for either of them, because most of the verbs in The Cat in the Hat are in the past tense, which apparently isn't covered within the first four years of Chinese English instruction.

You can't learn what you're not exposed to, but you can learn a lot of what you are exposed to in a language.