| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] [Wh det] [pron] [verb] be | 211 |
|
| 2 | [adv] [Wh det] [pron] need be | 8 |
|
| 3 | [adv] [pron] [pron] need be | 7 |
|
| 4 | [adv] [Wh det] [pron] need [be] | 7 |
|
