| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | has [been] trying for [adj] [noun pl] | 6 |
|
| 2 | has been trying for [adj] [noun] | 6 |
|
| 3 | has [been] trying for [adj] [noun] | 6 |
|
| 4 | has [been] trying for [adj] years | 5 |
|
| 5 | has [been] trying for [adj] year | 5 |
|
