| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [be] written at a time | 5 |
|
| 2 | be written at a time | 5 |
|
| 3 | written at a time when | 5 |
|
| 4 | written at a time [Wh adv] | 5 |
|
| 5 | written at a time [adv] | 5 |
|
| 6 | written at a time when | 5 |
|
