I think that the answer is 10 + 2
A. Gerund Phrase (sorry if this is too late)
1 It was such a boring book to finish.
2 The exam was too hard so nobody got a good mark.
3 She is so kind that everyone likes her.
4 My dog eats so much food that I can't afford to keep it.
5 The holiday apartment had so much quiet that you could hear the insects.
Alteration is repetition of consonants