| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [vb pp] [adv] | 7335 |
|
| 2 | [vb pp] [adv] a | 1525 |
|
| 3 | [been] [vb pp] a | 1298 |
|
| 4 | [been] [adv] a | 418 |
|
