Dating with compensation is prohibited by law.

He provided the assistance I needed.

He always assists me when I'm in trouble.

I have been in a long-term association with him.

I have been associating with him for a year.

He is working in the field of law.

Smoking is prohibited in this park.

Smoking is banned in this park.

He is unsociable, so he doesn't participate in parties much.

He thought deeply about the result of that juristic act.