| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [been] [v-ing] [noun] [prep] | 281 |
|
| 2 | [n mass] [vb base] [been] [v-ing] [prep] | 35 |
|
| 3 | [n mass] [vb base] [been] [v-ing] [noun] | 18 |
|
| 4 | [n mass] [vb base] [v-ing] [noun] [prep] | 9 |
|
