| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who had [vb pp] at | 90 |
|
| 2 | who have [vb pp] at | 24 |
|
| 3 | who has [vb pp] at | 23 |
|
| 4 | who have died at | 15 |
|
| 5 | who have worked at | 11 |
|
| 6 | who 'd [vb pp] at | 10 |
|
| 7 | who have looked at | 10 |
|
| 8 | who have arrived at | 6 |
|
| 9 | who have taught at | 5 |
|
| 10 | who have suffered at | 5 |
|
| 11 | who 's [vb pp] at | 5 |
|
