| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] [verb] | 37436 |
|
| 2 | has [been] [vb pp] | 33309 |
|
| 3 | [verb] [been] seen | 620 |
|
| 4 | have [been] seen | 619 |
|
| 5 | has [been] see | 293 |
|
| 6 | [vb -s] [been] seen | 279 |
|
| 7 | has [be] seen | 272 |
|
