| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] | 124168 |
|
| 2 | [verb] been happen | 167 |
|
| 3 | have be happen | 167 |
|
| 4 | have [been] happen | 167 |
|
| 5 | have [be] happen | 167 |
|
