| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] have been used for | 42 |
|
| 2 | which have [been] used for | 22 |
|
| 3 | which have [been] used for | 22 |
|
| 4 | [Wh det] have [been] used for | 22 |
|
| 5 | [pers pn] have [been] used for | 19 |
|
| 6 | [pron] had [been] used for | 15 |
|
| 7 | it have [been] used for | 14 |
|
| 8 | it have [been] used for | 14 |
|
| 9 | [pron] has [been] used for | 13 |
|
| 10 | [pron] have [been] used for | 10 |
|
