| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which was [adj] for the | 32 |
|
| 2 | [pron] was necessary for the | 32 |
|
| 3 | which was [adj] for the | 32 |
|
| 4 | which be necessary for the | 19 |
|
| 5 | which [be] necessary for the | 19 |
|
| 6 | which was necessary [prep] the | 8 |
|
| 7 | which was necessary [prep] the | 8 |
|
| 8 | which was necessary for [art] | 7 |
|
| 9 | which was necessary for [art] | 7 |
|
| 10 | which was necessary for the | 6 |
|
| 11 | which was necessary for the | 6 |
|
| 12 | which was necessary for the | 6 |
|
| 13 | which [was/were] necessary for the | 6 |
|
