| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but you must [verb] | 230 |
|
| 2 | but you must [vb infin] | 229 |
|
| 3 | but [pron] must promise | 5 |
|
| 4 | but you must promise | 5 |
|
| 5 | [conj] you must promise | 5 |
|
| 6 | but you must promise | 5 |
|
| 7 | but [pers pn] must promise | 5 |
|
| 8 | but you [modal v] promise | 5 |
|
