| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] have been trying for | 14 |
|
| 2 | [noun] have [been] trying for | 14 |
|
| 3 | [noun prp] have [been] trying for | 9 |
|
| 4 | [noun] has [been] trying for | 6 |
|
| 5 | [noun] had [been] trying for | 6 |
|
