| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] [verb] [num] [noun pl] | 2323 |
|
| 2 | [be] necessary [verb] [noun pl] | 114 |
|
| 3 | [be] necessary [verb] [num] | 35 |
|
| 4 | necessary [verb] [num] [noun pl] | 23 |
|
