| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] [pron] [adv] happen | 17 |
|
| 2 | [vb past] [pers pn] [adv] happen | 11 |
|
| 3 | [vb past] [pron] [adv] happened | 8 |
|
| 4 | [vb past] it [adv] happen | 8 |
|
| 5 | [vb past] it [adv] happen | 8 |
|
| 6 | said [pron] [adv] happen | 5 |
|
| 7 | [vb past] what [adv] happen | 5 |
|
| 8 | [vb past] what [adv] happen | 5 |
|
| 9 | [vb past] [Wh det] [adv] happen | 5 |
|
| 10 | [vb past] [pron] [adv] happen | 5 |
|
| 11 | did [pron] [adv] happen | 5 |
|
