| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [conj] [pron] [modal v] [adv] | 502 |
|
| 2 | [verb] if [pron] [modal v] [adv] | 189 |
|
| 3 | [vb past] if [pron] [modal v] [adv] | 73 |
|
