| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [det] attempts | 23 |
|
| 2 | been [det] attempt | 18 |
|
| 3 | been some attempt | 9 |
|
| 4 | been several attempt | 8 |
|
| 5 | been many attempt | 7 |
|
| 6 | been little attempt | 6 |
|
| 7 | been any attempt | 5 |
|
| 8 | been few attempt | 5 |
|
