| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [conj] [pron] [be] [prep] | 443 |
|
| 2 | [vb past] [subord] [pron] [be] [prep] | 141 |
|
| 3 | [verb] while [pron] [be] [prep] | 71 |
|
| 4 | [vb past] while [pron] [be] [prep] | 18 |
|
