| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] [verb] for years | 121 |
|
| 2 | [been] [v-ing] for years | 82 |
|
| 3 | [been] trying for [noun] | 15 |
|
| 4 | [been] trying for [noun pl] | 15 |
|
| 5 | [be] trying for years | 9 |
|
| 6 | [been] try for years | 9 |
|
| 7 | [been] trying for year | 9 |
|
| 8 | [been] trying [prep] years | 9 |
|
