| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been used for | 195 |
|
| 2 | [pers pn] have been for | 193 |
|
| 3 | [pers pn] have been used | 186 |
|
| 4 | [pers pn] have used for | 24 |
|
