| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | seen [prep] a [noun] | 1370 |
|
| 2 | have seen a [noun] | 413 |
|
| 3 | have [prep] a [noun] | 338 |
|
| 4 | have seen [prep] [noun] | 194 |
|
| 5 | have seen [prep] a | 76 |
|
