| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | do [adv] [to-vb] | 75 |
|
| 2 | do [adv] happen | 74 |
|
| 3 | [adv] happen [to-vb] | 52 |
|
| 4 | do happen [to-vb] | 9 |
|
