| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | perhaps [pron] [modal v] [verb] | 1980 |
|
| 2 | [adv] [indef pn] [modal v] [verb] | 960 |
|
| 3 | [adv] [indef pn] [modal v] [verb] | 654 |
|
| 4 | perhaps [indef pn] [modal v] [verb] | 45 |
|
