| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] [vb base] [been] [num] | 195 |
|
| 2 | [ex0] [vb base] [been] [prep] | 37 |
|
| 3 | [vb base] [been] [num] [prep] | 35 |
|
