| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that have been on | 27 |
|
| 2 | that have been on | 27 |
|
| 3 | that had been on | 14 |
|
| 4 | that have been on | 6 |
|
| 5 | that has been on | 5 |
|
