| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [was/were] [conj] | 11204 |
|
| 2 | [was/were] [subord] | 2861 |
|
| 3 | [be] while | 136 |
|
| 4 | [was/were] while | 99 |
|
