The Logic of Subordinate  Clauses From The Secret Garden, by Frances Hodgson Burnett Illustrator: M. B. Kork, N.Y.: The Phillips Publishing Co., 1911

For Noun Clauses -- "ID" (for "Identity") plus their function,  for example, "ID, DO"
For Adjectival Clauses -- ID" plus the word that the clause modifies
For Adverbial Clauses -- Use one of the following plus the word that the clause modifies.
 

Time	C/E - result	C/E - condition
Space	C/E - purpose	C/E - concession
C/E - cause	C/E - manner	Comparison

1. But just before Martha went down-stairs for the tea-tray, Mary asked a 

     question.

2. He was not working where she had left him.

3. She spoke to him a little stiffly because she felt rather shy.

4. She was so happy that she scarcely dared to breathe.

5. The time had come when Mary had forgotten to resent Martha's familiar talk.

6. If Martha had been a well-trained fine young lady's maid she would 

     have been more subservient and respectful.

7. The table and chairs and plates looked as if they had been hastily 

      pushed back.

8. She was afraid that he would pick up his tools and go away.

9. The first man who came in was a large officer.

10. But though several times she saw Ben Weatherstaff at work he was

     too busy to look at her or was too surly.

11. She would always carry the key with her when she went out, so that

     if she ever should find the hidden door she would be ready.

12. He understood what Colin felt better than Colin did himself.

13. After everything was neat and calm and in order the nurse looked

     as if she would very gladly slip away also.