| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] but [modal v] [adv] [vb infin] | 95 |
|
| 2 | [be] [verb] [modal v] [adv] [vb infin] | 22 |
|
| 3 | [be] [verb] but [modal v] [adv] | 12 |
|
