| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | occur at the | 191 |
|
| 2 | occurs at the | 61 |
|
| 3 | occurred at the | 41 |
|
| 4 | occur at the | 30 |
|
| 5 | occur at the | 25 |
|
| 6 | occurring at the | 15 |
|
| 7 | occurred at the | 14 |
|
| 8 | to occur at the | 5 |
|
