1. Do not talk so loudly; someone is listening to us.

2. I refused to visit the nuclear power station.

3. He was refused entrance to the club.

4. He would like his wife to stay home once they are married.

5. I did not say anything to him so that he will not reveal the secret.

6. Leave earlier so that you do not arrive late.

2. I was denied permission to visit the nuclear power station.

3. He was refused entrance to the club.

4. He would like for his wife to stay home once they are married.

5. I did not say anything to him so that he could not reveal the secret.

6. Leave earlier so that you do not arrive late.

Thanks a lot !!! ;P

2. I was not allowed to visit the nuclear power station.

3. He was refused entrance into the club.

4. After they are married, he would prefer that his wife stay at home.

5. He can not reveal the secret because I did not tell him anything.

6. Leave early enough so you won’t be late.

2. I was refused permission to visit the nuclear power station.

3. He was refused entrance to the club.

4. He wants his wife to stay home once they are married.

5. I did not tell him anything he cannot reveal.

6. Leave early so you will not be late.

5. I did not say anything to him, so that he will not reveal the secret.

6. Leave earlier, so that you do not arrive late.

It seems to me that you could be meaning something else in number 2, too, but I do not know which it is that you are trying to say.

“I was not allowed to visit the nuclear power station” is what I thought you were trying to say.

Other than those things, Pan_Demic is good