| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [det] [was/were] [pron] happened [prep] | 8 |
|
| 2 | [det] [was/were] [Wh det] happened [prep] | 8 |
|
| 3 | [det] was [pron] happened [prep] | 8 |
|
| 4 | [det] [was/were] what happened [prep] | 8 |
|
| 5 | [det] [was/were] what happened [prep] | 8 |
|
| 6 | [det] [was/were] [pron] happened in | 6 |
|
| 7 | [det] [was/were] [pron] happened in | 6 |
|
| 8 | this [was/were] [pron] happened [prep] | 5 |
|
