| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [pron] must [vb infin] | 910 |
|
| 2 | but they [modal v] [vb infin] | 586 |
|
| 3 | [conj] they must [vb infin] | 367 |
|
| 4 | [coord] they must [vb infin] | 137 |
|
| 5 | but they must [vb infin] | 64 |
|
| 6 | but they must [verb] | 64 |
|
