| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] to | 20974 |
|
| 2 | have [vb pp] to | 18728 |
|
| 3 | have happened [prep] | 1620 |
|
| 4 | have happen to | 869 |
|
| 5 | [verb] happened to | 869 |
|
