English

1/ It is said that people are improper to use Internet.
It said that people are not using the internet properly.

2/ Make us of Internet has many benefits, it let our life conveniently.
Using Internet has many benefits (advantages), such as making our life more convenient.
I think benefits is okay yet advantage is a better word.

It is said that people are using Internet improperly.

Making use of Internet has many benefits, such as providing convenience to our daily life.

1. It is said that people are improper to use Internet.
It said that people are prorer to use an internet.

2. Make us of Internet has many benefits, it let our life conveniently
Using an internet has many benifits for us. It makes our life more convenient.

As said, people use Internet improperly.
There are many benefits in using Internet, one of which is making our lives more convenient.

It is said that people improperly use the Internet.

making use of the internet can benefit us , it makes our lives convienient