29. When is Gh silent?

After i in the same syllable; also, after au and ou in some words.

30. When is Ch silent?

In a few words; as, drachm, yacht, etc.

31. When is Z silent?

In one word only—Rendezvous.

32. What letters are never silent?

F, J, Q, and R.

33. What is meant by Antecedent part of a syllable?

That part before the vowel.