It is likely to kill interest, and give both teacher and pupils a didactic, textbook attitude at the very beginning.

What curre will not bawle, & be ready to flye on a mans face, when he is set on by his master, who, if hee bee not by to encourage him, he casts his taile betwixt his legges, & steales away like a sheepe byter.

May I wash her and change her dress before you take her? She always hated being dirty, I said remembering how Pauline used to cry if she fell down and dirtened her dress or socks.

With pretotyping, you never have to say Sorry, it's not worth experimenting with that idea, because there are hardly any barriers to entry.