| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [verb] be | 12513 |
|
| 2 | [pron] need be | 519 |
|
| 3 | [pers pn] need be | 515 |
|
| 4 | it need [be] | 44 |
|
| 5 | it need be | 44 |
|
