| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there [verb] been [det] [adj] attempts | 7 |
|
| 2 | there [verb] been [det] [adj] attempts | 7 |
|
| 3 | there [verb] been [det] attempts [to-vb] | 17 |
|
| 4 | there [verb] been [det] attempts [verb] | 17 |
|
