| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [was/were] [verb] to [prep] | 17 |
|
| 2 | which [was/were] [verb] to [prep] | 17 |
|
| 3 | which [was/were] [vb pp] to [prep] | 17 |
|
| 4 | which was [verb] to [prep] | 12 |
|
| 5 | which [was/were] referred to [prep] | 10 |
|
| 6 | which [was/were] refer to [prep] | 10 |
|
| 7 | which [was/were] [verb] to by | 9 |
|
| 8 | which [was/were] [verb] to in | 5 |
|
| 9 | which were [verb] to [prep] | 5 |
|
