| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [modal v] [verb] [vb pp] | 1257 |
|
| 2 | [coord] [modal v] [verb] [vb pp] | 655 |
|
| 3 | but [modal v] [verb] [verb] | 177 |
|
| 4 | but [modal v] [verb] [vb pp] | 58 |
|
