| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | occurred [prep] [art] time | 17 |
|
| 2 | occurred [prep] [art] time | 17 |
|
| 3 | occurred at [art] time | 13 |
|
| 4 | occurred at [art] time | 13 |
|
| 5 | occurred [prep] a time | 10 |
|
| 6 | occurred [prep] the time | 7 |
|
