| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] were [adv] | 3694 |
|
| 2 | [ex0] were [adv] | 3263 |
|
| 3 | [pron] were once | 168 |
|
| 4 | [ex0] be once | 69 |
|
| 5 | [ex0] [be] once | 69 |
|
| 6 | [ex0] [was/were] once | 59 |
|
| 7 | [ex0] were once | 18 |
|
