| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] been trying for [adj] year | 8 |
|
| 2 | [verb] been trying for [num] year | 6 |
|
| 3 | [verb] been trying for year [verb] | 6 |
|
| 4 | [verb] been trying for year [to-vb] | 6 |
|
