| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] happen are | 8 |
|
| 2 | [pers pn] happen are | 5 |
|
| 3 | [verb] happen are | 5 |
|
| 4 | happen [pron] are | 9 |
|
| 5 | happen [pers pn] are | 7 |
|
| 6 | happen [coord] are | 5 |
|
| 7 | happen [conj] are | 5 |
|
| 8 | happen are [verb] | 8 |
|
| 9 | happen are [adv] | 6 |
|
| 10 | happen are [vb pp] | 5 |
|
