| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] it is [adj] for | 555 |
|
| 2 | [conj] it is [adj] for | 527 |
|
| 3 | [conj] it [be] necessary for | 52 |
|
| 4 | [conj] it be necessary for | 52 |
|
| 5 | [conj] it is necessary [prep] | 46 |
|
| 6 | [conj] it [is] necessary for | 33 |
|
| 7 | [conj] [pron] is necessary for | 31 |
|
| 8 | [conj] it is necessary for | 30 |
|
| 9 | [conj] [pers pn] is necessary for | 30 |
|
| 10 | [conj] it is necessary for | 30 |
|
