| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been seen | 619 |
|
| 2 | has [been] seen | 272 |
|
| 3 | had [been] seen | 144 |
|
| 4 | have [been] seen | 109 |
|
| 5 | have [been] seen | 53 |
|
| 6 | to have [been] seen | 15 |
|
| 7 | 'd [been] seen | 8 |
|
| 8 | 's [been] seen | 7 |
|
| 9 | having [been] seen | 7 |
|
