| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be not [v-ing] [pers pn] at | 11 |
|
| 2 | be [not/n't] [v-ing] it at | 8 |
|
| 3 | be n't [v-ing] [pers pn] at | 8 |
|
| 4 | was [not/n't] [v-ing] [pers pn] at | 6 |
|
