| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] is necessary for i | 6 |
|
| 2 | [pron] is necessary [prep] i | 6 |
|
| 3 | [pron] is necessary for i | 6 |
|
| 4 | [pron] is necessary [prep] me | 6 |
|
| 5 | it is necessary [prep] i | 5 |
|
| 6 | [pers pn] is necessary [prep] i | 5 |
|
| 7 | it is necessary [prep] i | 5 |
|
