` VII ` 

` 1 `  I am not the best in class

` -> `  I + am / am not

` 2 `  Mark doesn't do homework in the evening

`-> `  HTĐ phủ định : S + don't / doesn't + V nguyên mẫu

` 3 ` We don't play football after class

`-> `  HTĐ phủ định : S + don't / doesn't + V nguyên mẫu

` 4 ` You don't run fast

`-> `  HTĐ phủ định : S + don't / doesn't + V nguyên mẫu

` 5 ` Tim and Lucas don't work at the weekends

`-> `  HTĐ phủ định : S + don't / doesn't + V nguyên mẫu

` 6 ` I don't like classical music

`-> `  HTĐ phủ định : S + don't / doesn't + V nguyên mẫu

` 7 ` These exercises aren't difficult

` -> ` You / we / they / số nhiều + are / aren't

` 8 ` She doesn't have science on fridays

`-> `  HTĐ phủ định : S + don't / doesn't + V nguyên mẫu