| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [adv] | 301417 |
|
| 2 | [vb mod] [adv] | 137677 |
|
| 3 | [vb mod] certainly | 1819 |
|
| 4 | [modal v] certainly | 1819 |
|
