| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] did [adv] [verb] | 36149 |
|
| 2 | [pron] [verb] [adv] happen | 461 |
|
| 3 | [pron] [vb past] [adv] happen | 218 |
|
| 4 | [pron] do [adv] happen | 199 |
|
