A purely descriptive adjective clause should be set off by the comma. With a limiting clause the comma should not be used.

How many commas are needed to set off an expression?

Exercise 144

Select the adjective clauses and tell how each is used. Copy the sentences that contain purely descriptive clauses, using commas where they are needed.

1. The place that Arthur chose for his court was Camelot.

2. That is the flower which I told you about.

3. Sir Guy followed the monstrous beast to the village where it went tearing down the street.

4. When Sir Lancelot reached the castle he knocked at the gate which was opened to him by an old dumb servant.

5. He who does his best should be praised.

6. The king's army which was at last defeated fled in disorder.

7. The soldiers who had been slain were left where they had fallen.

8. Sir Guy first went to Normandy where he soon distinguished himself by his bravery.

9. A magnificent stone church was erected on the spot where King Edwyn was baptized.

10. In preparation for his escape he buckled on his sword which he had laid aside during his illness.

11. In Argentina where a tide of immigration has been flowing for some years a blending of races is now taking place.