| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pers pn] is necessary [verb] [noun] | 6 |
|
| 2 | if [pers pn] is necessary [verb] [art] | 5 |
|
| 3 | if [pers pn] is necessary [verb] [noun sg] | 5 |
|
| 4 | if [pers pn] is necessary [verb] [art] | 5 |
|
