| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | if [pers pn] [modal v] [adv] | 1087 |
|
| 2 | [vb past] [pers pn] [modal v] [adv] | 1014 |
|
| 3 | [vb past] if [pers pn] [modal v] | 602 |
|
| 4 | [vb past] if [pers pn] [adv] | 44 |
|
