i. Watch out for subject-verb disagreement: 'Internet activities varies' (incorrect), 'Internet activities vary' (correct)
ii. Use plural forms correctly: 'different age' (incorrect), 'different ages' (correct)
iii. Use the tenses correctly: 'The table had shown' (incorrect), 'The table shows' (correct)
iv. Use prepositions correctly: 'searching information' (incorrect), 'searching for information' (correct)
v. Avoid fragments: 'What is evident in the table.' (incorrect), 'What is evident in the table is that …' (correct)
vi. Use connectors correctly: 'Adults did not have much interest for downloading and it is so obvious that only 6% of them like to download. Contrary, the teens are so in love with downloading that make them 56%..' (incorrect), '... On the contrary, the teens are so in love with downloading that it makes them the group with the highest frequency of downloading (56%).'
vii. Use comparatives correctly: 'The least number of people to play online games are from group of teens.' (incorrect), 'The lowest number of people to play online games are from group of teens', [or better] 'People to play online games the least frequently are the teens.' (correct)
viii. Proofread for misspellings (e.g., ‘form’ for ‘from’).