| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] n't it | 1314 |
|
| 2 | must n't [pron] | 96 |
|
| 3 | must n't [pers pn] | 90 |
|
| 4 | must [not/n't] it | 27 |
|
| 5 | must n't it | 27 |
|
| 6 | must not it | 27 |
|
| 7 | must [adv] it | 27 |
|
