| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [vb past] [been] [verb] for | 95 |
|
| 2 | [Wh det] [vb past] [been] [vb pp] for | 83 |
|
| 3 | [Wh det] [vb past] [been] used [prep] | 23 |
|
| 4 | [Wh det] [verb] [been] used for | 22 |
|
| 5 | [pron] [vb past] [been] used for | 15 |
|
| 6 | [Wh det] [vb past] [be] used for | 10 |
|
| 7 | [Wh det] [vb past] [been] use for | 10 |
|
