are prohibited
against the law
is banned
are not allowed
Illegal actions
Use these expressions to talk about something that's illegal.
More phrases for illegal actions
When you're speaking or writing more formally, you can use expressions that consist of is + past participle.
Driving to the city center is banned, except for buses and taxis.
In my country, anyone under the age of 21 is prohibited from drinking alcoholic beverages.
Alcoholic beverages are forbidden in some parts of the United States.
You are not allowed to throw trash on the street in my city.
Informal opinions
When you are writing informally, you can use the same expressions as in speech.
Formal opinions
Here are some phrases for expressing your opinion in a more formal context:
Personally, I think that it's a good law.
From my point of view, smoking should be banned.
To my mind, there should be strict laws regarding alcohol.
To my way of thinking, the government has passed enough laws.