| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] events that [vb -s] | 5 |
|
| 2 | of events that [vb -s] | 5 |
|
| 3 | of events that [vb -s] | 5 |
|
| 4 | [prep] events that [vb -s] | 5 |
|
