| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been [verb] on a | 344 |
|
| 2 | [noun prp] [verb] been [verb] a | 266 |
|
| 3 | [noun prp] [verb] been [verb] on | 156 |
|
| 4 | [noun prp] [verb] [verb] on a | 77 |
|
| 5 | [noun prp] [verb] been on a | 5 |
|
