| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [pron] have happened to [pron] | 75 |
|
| 2 | know [pron] have [verb] to [pron] | 32 |
|
| 3 | know [pron] have [vb pp] to [pron] | 30 |
|
| 4 | know [pron] have happened [prep] [pron] | 26 |
|
| 5 | know [pron] [verb] happened to [pron] | 25 |
|
| 6 | know [pron] have happen to [pron] | 25 |
|
