| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have [adv] been [vb pp] [to-vb] | 23 |
|
| 2 | which have [adv] been [vb pp] [to-vb] | 22 |
|
| 3 | which has [adv] been [vb pp] [to-vb] | 12 |
|
| 4 | which have [adv] been used [to-vb] | 9 |
|
| 5 | which have also been [vb pp] [to-vb] | 6 |
|
| 6 | which have also been [vb pp] [to-vb] | 6 |
|
| 7 | which have [adv] been [vb pp] [to-vb] | 6 |
|
| 8 | which had [adv] been [vb pp] [to-vb] | 5 |
|
