| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [subord] [pers pn] is for | 155 |
|
| 2 | [subord] [pers pn] is necessary | 130 |
|
| 3 | [pers pn] is necessary for | 104 |
|
| 4 | [subord] is necessary for | 11 |
|
