| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | n't [adv] | 21505 |
|
| 2 | [adv] back | 2810 |
|
| 3 | n't [adv prt] | 465 |
|
| 4 | [not/n't] back | 115 |
|
| 5 | not back | 115 |
|
| 6 | n't back | 26 |
|
