| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it have [adv] [verb] in | 79 |
|
| 2 | it have [adv] [vb pp] in | 75 |
|
| 3 | it have [adv] happened [prep] | 26 |
|
| 4 | [pron] have [adv] happened in | 7 |
|
| 5 | it have [adv] happen in | 5 |
|
| 6 | it [verb] [adv] happened in | 5 |
|
