using Internet

[Ashiuhto]

Please help me correct the following paragraph.

The purpose of using Internet：Boy students use Internet mostly for online games and searching for information is the next purpose, while girl students use Internet mainly for searching for information and chatting.

[emsr2d2]

Try to use "male students" and "female students" or simply "boys" and "girls". We rarely use "boy" and "girl" as adjectives.

[5jj]

A comma before 'and searching for games is the next' will stop us mistakenly reading 'mostly for online games and searching for information'.

[Ashiuhto]

The purpose of using Internet：Male students use the Internet mostly for online games; searching for information is the second reason. Female students use the Internet mainly for searching for information and chatting.

[emsr2d2]

The purpose of using the Internet：Male students use the Internet mostly for online games; the second most common purpose is searching for information. is the second reason. Female students use the Internet mainly for searching for information, and also for chatting.

Remember to call it "the internet" (with or without capitalisation). In the first sentence you've used "mostly" and in the second you've used "mainly". Was there a reason for this?