1, - We watched such beautiful banners that we didn't want to go home
- The banners were so beautiful that we didn't want to go home
2, The river was too dirty for us to swim in
3, - It is such a small shirt that I can't wear it
- The shirt is too small for me to wear
- The shirt is not big enough for me to wear
4, - This flat is so small that my parents can't live in it
- It is such a small flat that my parents can't live in it
- This flat isn't big enough for my parents to live in
5, The road is too for me to control the car easily
6, - The bird is too weak to fly
- The bird isn't strong enough to fly
7, My sister is too busy to come to the cinema with us
8, - It is such an expensive watch that he couldn't buy it
- The watch is too expensive for him to buy
- The watch isn't cheap enough for him to buy