| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [ex0] have been some discussion | 8 |
|
| 2 | [pron] have been some discussion | 8 |
|
| 3 | there have been some discussion | 8 |
|
| 4 | there have been some discussion | 8 |
|
| 5 | have been some discussion [prep] | 8 |
|
| 6 | have been some discussion [prep] | 8 |
|
