| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [not/n't] be use | 576 |
|
| 2 | [vb mod] [not/n't] be at | 113 |
|
| 3 | [vb mod] be use at | 55 |
|
| 4 | [not/n't] be use at | 9 |
|
