| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb past] [been] [verb] | 19761 |
|
| 2 | [noun] [verb] [been] [v-ing] | 6048 |
|
| 3 | [noun] [vb past] [be] [v-ing] | 2134 |
|
