| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] have been used for | 5 |
|
| 2 | which have been used for | 5 |
|
| 3 | [Wh det] have been used for | 5 |
|
| 4 | which have been used for | 5 |
|
