| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [prep] a | 17836 |
|
| 2 | be [vb pp] [adv] [prep] | 13190 |
|
| 3 | [vb pp] [adv] [prep] a | 9599 |
|
| 4 | be [adv] [prep] a | 569 |
|
| 5 | be [vb pp] [adv] a | 163 |
|
