| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb mod] [adv] happen that | 19 |
|
| 2 | [pron] [modal v] [adv] happen that | 19 |
|
| 3 | [pers pn] [modal v] [adv] happen that | 18 |
|
| 4 | it [modal v] [adv] happen that | 18 |
|
| 5 | it [modal v] [adv] happen that | 18 |
|
| 6 | [pron] [modal v] [adv] happen that | 18 |
|
| 7 | [pron] may [adv] happen that | 5 |
|
| 8 | [pron] can [adv] happen that | 5 |
|
| 9 | [pron] can [adv] happen that | 5 |
|
| 10 | [pron] may [adv] happen that | 5 |
|
