| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [was/were] [adj] for [pron] | 575 |
|
| 2 | [pron] [be] necessary for [pron] | 67 |
|
| 3 | [pron] [was/were] necessary [prep] [pron] | 18 |
|
