Network

Nowadays，network has become the part of our life, we use network to study, work, and communicate with friends at different place, people is reliant on network so much. So far, the law cann't effectively restrict all behaviors on network, so everyone can do what he want to do, which has good side, and also has bad side. The first, network makes our life more convenient, meanwhile network also provides ^ few people a new stage to show violence.
The government has been actively improving the network environment, and has taken step to supervise the network, these include enacting policy that the users must be registered with they real name, it indeed regulate the network behaviors. A good network environment need all of us to maintain，we need to behave ourselves even without the supervision of law.

You have a lot of singulars that need to be changed to plurals (with 's'). Also what do you mean by network? Are you talking about mobile phones or the internet?