| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [noun] [vb past] [been] [verb] | 3189 |
|
| 2 | [noun] [noun] [verb] [been] [v-ing] | 1547 |
|
| 3 | [noun] [noun] [vb past] [be] [v-ing] | 437 |
|
