| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been trying to | 15 |
|
| 2 | [verb] been trying to | 15 |
|
| 3 | [vb base] been trying to | 9 |
|
| 4 | 've been trying to | 8 |
|
| 5 | been trying [to-vb] to | 11 |
|
| 6 | been trying [verb] to | 11 |
|
