| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [v-ing] [prep] [noun] [prep] | 402 |
|
| 2 | [v-ing] [prep] [noun] [prep] some | 70 |
|
| 3 | [been] [prep] [noun] [prep] some | 45 |
|
| 4 | [been] [v-ing] [noun] [prep] some | 10 |
|
