| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a time [art] | 80 |
|
| 2 | [prep] time at [art] | 28 |
|
| 3 | [prep] a time at | 28 |
|
| 4 | [prep] a at [art] | 14 |
|
| 5 | a time at [art] | 6 |
|
