| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [pron] [vb mod] have happened | 38 |
|
| 2 | [prep] it [vb mod] have [verb] | 31 |
|
| 3 | [prep] it [vb mod] have [vb pp] | 27 |
|
| 4 | [prep] [pers pn] [vb mod] have happened | 7 |
|
| 5 | [prep] it [vb mod] have happened | 5 |
|
| 6 | [prep] it [modal v] have happened | 5 |
|
| 7 | [prep] it [vb mod] [vb infin] happened | 5 |
|
| 8 | [prep] it [vb mod] have happened | 5 |
|
| 9 | [prep] it [vb mod] have happen | 5 |
|
| 10 | [prep] it [vb mod] [verb] happened | 5 |
|
| 11 | [prep] it [vb mod] have happened | 5 |
|
