| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [adj] for [art] | 1622 |
|
| 2 | [be] necessary for [art] | 328 |
|
| 3 | [was/were] necessary [prep] [art] | 98 |
|
| 4 | [was/were] necessary [prep] [art] | 98 |
|
| 5 | [was/were] necessary for [art] | 66 |
|
| 6 | [was/were] necessary for [art] | 66 |
|
