| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] a | 37342 |
|
| 2 | be [adv] [det] | 18305 |
|
| 3 | [adv] a [det] | 4861 |
|
| 4 | be a [det] | 1551 |
|
