(a) Bring up sentences containing ten instances of the relatives who, which, that, and what.

(b) Bring up sentences having five indefinite relatives.

(c) Bring up five sentences having indirect questions introduced by pronouns.

(d) Tell whether the pronouns in the following are interrogatives, simple relatives, or indefinite relatives:—

1. He ushered him into one of the wherries which lay ready to attend the Queen's barge, which was already proceeding.

2. The nobles looked at each other, but more with the purpose to see what each thought of the news, than to exchange any remarks on what had happened.

3. Gracious Heaven! who was this that knew the word?

4. It needed to be ascertained which was the strongest kind of men; who were to be rulers over whom.

5. He went on speaking to who would listen to him.

6. What kept me silent was the thought of my mother.