| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [verb] [been] [v-ing] [prep] | 1814 |
|
| 2 | [verb] [been] [v-ing] [prep] several | 25 |
|
| 3 | [noun] [verb] [been] [prep] several | 5 |
|
