| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | occur [prep] the time [prep] | 15 |
|
| 2 | occur [prep] the time of | 15 |
|
| 3 | occur at the time [prep] | 10 |
|
| 4 | occurs [prep] the time [prep] | 5 |
|
| 5 | occurred [prep] the time [prep] | 5 |
|
