CHANGE CLAUSES OF CONCESSION TO PHRASE:
1. Tom always studies hard though he encounters difficulties
2. The flight was not delayed though it was stormy
3. Although it got dark, they continued to work
4. He did the test well though it was difficult
5. My mother doesn't wear glasses though she is over fifty
CHANGE CLAUSE OF CONCESSION TO PHRASE:
1.The plane took off though the weather was bad
2.She studied well though her life was hard at the time
3. Although it rained heavily, I went to school on time
4. He didn't stop his car though the traffic lights turned red
5. Although Jane was sad, she managed to smile