She relies on tom far too much. she doesn’t take into account the possibility that he MIGHT NOT BE ABLE TO HELP her, in spite of his willingness to do so.
answer: might not be able to help
If you could, post the memoir title so someone can read it and assist you with the question...
The English language has a variety of many grammatical inferences mainly because our language is more complex and is used as a national language. Such a selection of words, spellings etc are used so many can refer to a situation with grammar they can understand.
Lol i don’t understand what your question Is