| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have been [vb pp] [prep] | 2621 |
|
| 2 | which have been [vb pp] [prep] | 2621 |
|
| 3 | [pron] have been [vb pp] during | 53 |
|
| 4 | [Wh det] have been [vb pp] during | 27 |
|
| 5 | which have been [vb pp] during | 23 |
|
| 6 | which have [been] [vb pp] during | 23 |
|
| 7 | which have been [verb] during | 23 |
|
| 8 | which have [be] [vb pp] during | 23 |
|
| 9 | which [verb] been [vb pp] during | 23 |
|
| 10 | which have been [vb pp] during | 23 |
|
| 11 | which have be [vb pp] during | 23 |
|
