| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [been] some attempt | 5 |
|
| 2 | [vb -s] [been] some attempt | 5 |
|
| 3 | has [been] some attempt | 5 |
|
| 4 | [verb] [been] some attempt | 5 |
|
| 5 | [been] some attempt [verb] | 5 |
|
| 6 | [been] some attempt [to-vb] | 5 |
|
