| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [adv] [vb pp] | 11405 |
|
| 2 | be [vb pp] at | 6207 |
|
| 3 | [adv] [vb pp] at | 3644 |
|
| 4 | be [adv] at | 263 |
|
