E11 Value Judgement sentence combining

1. While Carol was working hard on her test, Sue slipped her a note. 
Carol was working hard on her test when Sue slipped her a note.
Sue slipped a note to Carol, who was working hard on her test.

2, She didn't want the teacher to see her unfold the paper.
She didn't want the teacher to see, so she unfolded the paper carefully.
She unfolded the paper carefully because she didn't want the teacher to see.
3. The note asked for help on an important question.
4. Carol looked down at the paper and thought about the class's honour system.
Carol thought about the class's honour system when/ as / she looked down at the paper.

Looking down at the paper, Carol thought about the class's honour system.
Carol looked down at the paper, thinking about the class's honour system.

5. Everyone had made a pledge not to cheat.

Everyone had made a pledge which was not to cheat.

6. Carol didn't want to go back on her word; conversely, Sue was her best friend.

Carol didn't want to go back on her word even though Sue was her best friend.
7. As time was running out, Carol had to make up her mind.
Time was running out, so Carol had to make up her mind.

As time was running out, so Carol had to make up her mind. XX
8. Her mouth felt dry; on the other hand, her mouth felt tight. REP
Her mouth felt dry and tight.