| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [Wh det] you [modal v] do | 350 |
|
| 2 | [Wh det] [pron] must do | 75 |
|
| 3 | [Wh det] you must [verb] | 72 |
|
| 4 | [Wh det] you must [vb infin] | 72 |
|
| 5 | [pron] you must do | 25 |
|
| 6 | [Wh det] you must do | 24 |
|
