| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] need be | 200 |
|
| 2 | [Wh det] [pron] [adv] be | 179 |
|
| 3 | [Wh det] [pron] [adv] need | 100 |
|
| 4 | [pron] [adv] need be | 50 |
|
