Question

she said the letter was only for her and wouldn't allow me to reading it.правильно составлено предложение?

Answer 1

She said the letter was only for her and she won't allow me to read  it. - Она сказала, что письмо было только для нее, и она не позволит мне читать его.

Answer 2

She said that the letter was only for her and she wouldn't allow me to read it.