1.I'm the best in the class
-->_______ .I'm not the best in the class_______________
2.Mark does homework in the evening
-->_____ Mark doesn't do homework in the evening ___________________
3.We play football after school
-->___________ We don't play football after school___________
4.You run fast
-->______ You don't run fast ________
5.Tim and Lucas work at weekend
-->_____ Tim and Lucas don't work at weekend____________________
6.I like classial music
-->_______ .I don't like classial music____________
7. These exercises are difficult
-->____________ These exercises aren't difficult______________
8.She has science on Friday
-->___________ She doesn't have science on Friday_____________