| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [adv] [verb] | 93176 |
|
| 2 | [verb] [adv] happen | 1066 |
|
| 3 | do [adv] happen | 497 |
|
| 4 | [vb base] [adv] happen | 92 |
|
