| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but i [vb mod] [vb infin] | 2199 |
|
| 2 | but i [modal v] [vb infin] | 2199 |
|
| 3 | but [pron] must [vb infin] | 910 |
|
| 4 | [conj] i must [vb infin] | 687 |
|
| 5 | but i must [vb infin] | 230 |
|
| 6 | but i must [verb] | 230 |
|
