| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but [pron] must [vb infin] | 910 |
|
| 2 | but he [modal v] [vb infin] | 615 |
|
| 3 | but he [vb mod] [vb infin] | 615 |
|
| 4 | [conj] he must [vb infin] | 416 |
|
| 5 | but he must [vb infin] | 75 |
|
| 6 | but he must [verb] | 75 |
|
