| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which have [adv] [verb] | 1554 |
|
| 2 | [pron] have [adv] happen | 253 |
|
| 3 | [Wh det] have [adv] happen | 74 |
|
| 4 | which [verb] [adv] happen | 12 |
|
| 5 | which have [adv] happen | 6 |
|
