1. We wished we hadn't bought this house.

⇒ We regretted buying this house.

2. He is such a slow speaker that we get bored.

⇒ He speaks so slowly that we get bored.

3. They were too excited to sleep.

⇒ They were so excited that they couldn't sleep.

4. We couldn't get nearer because of the dog.

⇒ The dog prevented us from getting nearer.

5. J find it difficult for me to find a better solution.

⇒ I have difficulty in finding a better solution.

1, We regretted not buying this house
2, He speaks so slowly that get bored
3, They were so excited that they couldn't sleep
4, The dog prevented us from gettong nearer
5, I have difficulty in finding a better solution