| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | there have [been] [det] attempt | 19 |
|
| 2 | there have [been] [det] attempt | 19 |
|
| 3 | [ex0] have [been] [det] attempt | 19 |
|
| 4 | [pron] have [been] [det] attempt | 19 |
|
| 5 | have [been] [det] [adj] attempt | 6 |
|
| 6 | have [been] [det] [adj] attempt | 6 |
|
| 7 | have [been] [det] attempt [verb] | 18 |
|
| 8 | have [been] [det] attempt [to-vb] | 18 |
|
