| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pers pn] at [art] time [adv] | 12 |
|
| 2 | [prep] [pers pn] at [art] time [adv] | 12 |
|
| 3 | [prep] [pers pn] at [art] time when | 11 |
|
| 4 | [prep] [pers pn] at [art] time when | 11 |
|
| 5 | [prep] [pers pn] at [art] time [Wh adv] | 11 |
|
| 6 | [prep] [pers pn] at a time [adv] | 9 |
|
| 7 | [prep] [pers pn] at a time [adv] | 9 |
|
