| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] [pron] do be | 317 |
|
| 2 | [Wh det] [pron] need be | 200 |
|
| 3 | [Wh det] [pron] do need | 18 |
|
| 4 | [pron] do need be | 5 |
|
