| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [pron] [prep] the | 1146 |
|
| 2 | [be] necessary [verb] [prep] the | 104 |
|
| 3 | [be] necessary [verb] [pron] [prep] | 46 |
|
| 4 | necessary [verb] [pron] [prep] the | 38 |
|
