| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb -s] [prep] a | 13313 |
|
| 2 | [vb -s] been a | 3898 |
|
| 3 | [vb -s] been [prep] | 2666 |
|
| 4 | been [prep] a | 1107 |
|
