| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] need be [art] | 91 |
|
| 2 | [Wh det] [pron] [adv] need be | 37 |
|
| 3 | [pron] [adv] need be [art] | 18 |
|
