| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [noun] [conj] [pron] [adv] happen | 9 |
|
| 2 | [prep] [noun sg] [conj] [pron] [adv] happen | 5 |
|
| 3 | [prep] [conj] [pron] have [adv] happen | 15 |
|
| 4 | [prep] [conj] [pron] had [adv] happen | 15 |
|
| 5 | [prep] [conj] [pron] [verb] [adv] happen | 15 |
|
| 6 | [prep] [conj] [pron] [vb past] [adv] happen | 15 |
|
