| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which [verb] occurred [prep] the | 32 |
|
| 2 | which [verb] occurred [prep] the | 32 |
|
| 3 | which have occurred [prep] the | 32 |
|
| 4 | which [verb] occurred in the | 18 |
|
| 5 | which [verb] occurred in the | 18 |
|
| 6 | which have occurred [prep] the | 16 |
|
| 7 | which [vb base] occurred [prep] the | 16 |
|
| 8 | which had occurred [prep] the | 8 |
|
| 9 | which [vb -s] occurred [prep] the | 8 |
|
| 10 | which has occurred [prep] the | 8 |
|
| 11 | which [vb past] occurred [prep] the | 8 |
|
| 12 | which [verb] occurred during the | 5 |
|
| 13 | which [verb] occurred during the | 5 |
|
