| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [vb base] been [prep] | 31 |
|
| 2 | [Wh det] [vb base] been [prep] | 31 |
|
| 3 | [Wh det] have been [prep] | 31 |
|
| 4 | [Wh det] [vb base] been in | 13 |
|
| 5 | [Wh det] [vb base] been in | 13 |
|
| 6 | [Wh det] [vb base] been under | 5 |
|
| 7 | [Wh det] [vb base] been under | 5 |
|
