| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | that have happened [prep] [det] | 12 |
|
| 2 | [that] have happened [prep] [det] | 12 |
|
| 3 | that have happened [prep] [det] | 12 |
|
| 4 | [conj] has happened [prep] [det] | 8 |
|
| 5 | [conj] had happened [prep] [det] | 6 |
|
| 6 | [conj] have happened in [det] | 5 |
|
