| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | you must [vb infin] [verb] | 470 |
|
| 2 | but you must [verb] | 230 |
|
| 3 | but you must [vb infin] | 229 |
|
| 4 | but must [vb infin] [verb] | 9 |
|
