| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] yesterday [unc] | 557 |
|
| 2 | [prep] yesterday [unc] | 557 |
|
| 3 | at [adv] [unc] | 338 |
|
| 4 | at yesterday [unc] | 85 |
|
