| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | you must [verb] [art] | 628 |
|
| 2 | you must [vb infin] [art] | 627 |
|
| 3 | you [modal v] ask [art] | 54 |
|
| 4 | [pron] must ask [art] | 15 |
|
| 5 | you must ask [art] | 5 |
|
| 6 | you must ask [art] | 5 |
|
