| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | was [adv] [prep] [noun sg] | 1780 |
|
| 2 | [adv] happen [prep] [noun sg] | 71 |
|
| 3 | was [adv] happen [prep] | 28 |
|
| 4 | was happen [prep] [noun sg] | 23 |
|
