| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | is [verb] to have been in | 8 |
|
| 2 | is [vb pp] to have be in | 8 |
|
| 3 | is known to have be in | 5 |
|
| 4 | is know to have be in | 5 |
|
