| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pers pn] is necessary [verb] [det] | 80 |
|
| 2 | [pers pn] is necessary [verb] [noun pl] | 48 |
|
| 3 | [pers pn] is [verb] [det] [noun pl] | 28 |
|
| 4 | is necessary [verb] [det] [noun pl] | 21 |
|
| 5 | [pers pn] necessary [verb] [det] [noun pl] | 6 |
|
