| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [Wh det] [pers pn] need be | 5 |
|
| 2 | but [Wh det] [pron] need be | 5 |
|
| 3 | but [Wh det] [pron] need is | 5 |
|
| 4 | but what [pron] need be | 5 |
|
