| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] if [pron] happened to [be] | 5 |
|
| 2 | if [pron] happened to [be] [adv] | 6 |
|
| 3 | if [pron] happened to [be] [prep] | 6 |
|
| 4 | if [pron] happened to [be] [prep] | 6 |
|
