| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 's [vb pp] [art] | 3441 |
|
| 2 | [been] [vb pp] [art] | 2718 |
|
| 3 | 's [been] [vb pp] | 1757 |
|
| 4 | 's [been] [art] | 973 |
|
