| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] is [verb] be | 344 |
|
| 2 | [Wh det] [be] need be | 155 |
|
| 3 | [Wh det] be need be | 155 |
|
| 4 | [Wh det] [is] need be | 104 |
|
| 5 | [pron] is need be | 96 |
|
| 6 | [Wh det] is need [be] | 96 |
|
