| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] a | 29916 |
|
| 2 | be [to-vb] a | 4513 |
|
| 3 | be [to-vb] [adv] | 1837 |
|
| 4 | [to-vb] [adv] a | 1072 |
|
