| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be used | 1168 |
|
| 2 | [not/n't] be used | 565 |
|
| 3 | [adv] [not/n't] be | 448 |
|
| 4 | [adv] [not/n't] used | 20 |
|
