| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [vb base] [been] [v-ing] [prep] | 481 |
|
| 2 | [vb base] [been] [v-ing] [det] [prep] | 57 |
|
| 3 | [noun] [vb base] [been] [v-ing] [det] | 47 |
|
| 4 | [noun] [vb base] [been] [det] [prep] | 13 |
|
