| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [conj] i have been trying | 5 |
|
| 2 | i have [adv] been trying | 5 |
|
| 3 | i have been trying [to-vb] | 21 |
|
| 4 | i have been trying [verb] | 21 |
|
