| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been seen | 620 |
|
| 2 | have [been] seen | 619 |
|
| 3 | [vb -s] [been] seen | 279 |
|
| 4 | has [been] seen | 272 |
|
| 5 | [vb past] [been] seen | 152 |
|
| 6 | had [been] seen | 144 |
|
| 7 | [vb base] [been] seen | 114 |
|
| 8 | have [been] seen | 109 |
|
| 9 | have [been] seen | 53 |
|
| 10 | [vb infin] [been] seen | 53 |
|
| 11 | to have [been] seen | 15 |
|
| 12 | [to-vb] [been] seen | 15 |
|
| 13 | 'd [been] seen | 8 |
|
| 14 | [v-ing] [been] seen | 7 |
|
| 15 | having [been] seen | 7 |
|
| 16 | 's [been] seen | 7 |
|
