| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] [vb past] [been] [v-ing] [prep] | 1353 |
|
| 2 | who [vb past] [been] [verb] [prep] | 994 |
|
| 3 | who [verb] [been] [v-ing] [prep] | 332 |
|
| 4 | who [vb past] [be] [v-ing] [prep] | 179 |
|
