| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | occurred [prep] [art] time [prep] | 8 |
|
| 2 | occurred [prep] [art] time [prep] | 8 |
|
| 3 | occurred [prep] [art] time of | 8 |
|
| 4 | occurred at [art] time [prep] | 6 |
|
| 5 | occurred at [art] time [prep] | 6 |
|
| 6 | occurred [prep] the time [prep] | 5 |
|
