| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | you must [verb] | 3979 |
|
| 2 | you must [vb infin] | 3975 |
|
| 3 | you [modal v] keep | 399 |
|
| 4 | [pron] must keep | 167 |
|
| 5 | you must keep | 37 |
|
