| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [was/were] [adj] for | 135 |
|
| 2 | which [was/were] [adj] for | 133 |
|
| 3 | [pron] [was/were] necessary for | 81 |
|
| 4 | which [be] necessary for | 43 |
|
| 5 | [Wh det] [was/were] necessary for | 13 |
|
| 6 | which [was/were] necessary [prep] | 13 |
|
| 7 | which [was/were] necessary [prep] | 13 |
|
| 8 | which [was/were] necessary for | 8 |
|
| 9 | which [was/were] necessary for | 8 |
|
| 10 | which [was/were] necessary for | 8 |
|
