| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb past] been trying [to-vb] | 135 |
|
| 2 | been trying [to-vb] for | 16 |
|
| 3 | [vb past] been trying for | 14 |
|
| 4 | [vb past] been [to-vb] for | 5 |
|
