Of course, he may want you killed, but I will try to prevent it.
So to say that they're going to start trying to prevent them is not right.
In fact, the government tried to prevent it, but without success.
"My mother tried to prevent me from seeing his offer!"
He is also trying to prevent his company from being bought.
For a while she tried to prevent it, and then gave in.
Congress then has three months to try to prevent the move.
I believe we must try to prevent that in time.
Some states are trying to prevent companies from looking at certain court records in the first place.
They had gone out to try to prevent a war.