1. We were so tired that we went to bed early
2. That woman was so tall that she could almost touch the ceiling
3. This coat is so big that I can't wear it
4. The coffee was so strong that she couldn't go to sleep
5. That bag was very heavy that none of us could carry it
6. The stadium is so large that it can hold 60 000 people
7. Those lessons are so difficult that he can't understand them
8. She was so busy that she couldn't do the housework
9. The climate was so bad that all the plants couldn't grow well
10. I'm so tired that I couldn't keep my eyes open
11. The boy is so lazy that he never does his homework
12. The house was so expensive that nobody can buy it