| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been several [noun pl] | 74 |
|
| 2 | been several attempt | 8 |
|
| 3 | been several attempts | 8 |
|
| 4 | been several cases | 5 |
|
| 5 | been several case | 5 |
|
