| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] [det] [adj] | 148 |
|
| 2 | have [been] [det] attempt | 21 |
|
| 3 | have [been] [adj] attempt | 12 |
|
| 4 | [been] [det] [adj] attempt | 9 |
|
