| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] [noun] [vb past] [been] [verb] | 1402 |
|
| 2 | [conj] [noun] [verb] [been] [v-ing] | 506 |
|
| 3 | [conj] [noun] [vb past] [be] [v-ing] | 240 |
|
