| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [adv] [verb] [is] that | 37 |
|
| 2 | [pron] [adv] happen [be] that | 22 |
|
| 3 | [pron] [adv] happen [is] [conj] | 13 |
|
| 4 | [pron] [adv] happen [is] that | 12 |
|
