| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but perhaps [pron] [vb mod] [adv] | 9 |
|
| 2 | but perhaps [pron] [modal v] [adv] | 9 |
|
| 3 | but perhaps [pron] [modal v] [adv] | 9 |
|
| 4 | but perhaps [pers pn] [modal v] [adv] | 9 |
|
