| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [n mass] [vb base] [been] [v-ing] [prep] | 35 |
|
| 2 | [det] [n mass] [vb base] [been] [v-ing] | 15 |
|
| 3 | [det] [vb base] [been] [v-ing] [prep] | 7 |
|
| 4 | [det] [n mass] [vb base] [v-ing] [prep] | 6 |
|
