| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [was/were] [adj] for the | 220 |
|
| 2 | it [be] necessary for the | 67 |
|
| 3 | [pron] [was/were] necessary for the | 33 |
|
| 4 | it [was/were] necessary for [art] | 28 |
|
| 5 | it [was/were] necessary for [art] | 28 |
|
| 6 | it [was/were] necessary [prep] the | 26 |
|
| 7 | it [was/were] necessary [prep] the | 26 |
|
| 8 | it [was/were] necessary for the | 24 |
|
| 9 | it [was/were] necessary for the | 24 |
|
