| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [was/were] [adj] for | 133 |
|
| 2 | which was [adj] for | 99 |
|
| 3 | which [was/were] responsible for | 39 |
|
| 4 | which were [adj] for | 34 |
|
| 5 | which [was/were] necessary for | 8 |
|
| 6 | which [was/were] unusual for | 5 |
|
