| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [Wh det] [pron] be | 2084 |
|
| 2 | [Wh det] [pron] must be | 79 |
|
| 3 | be [Wh det] [pron] must | 31 |
|
| 4 | be [pron] must be | 16 |
|
