| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for [num] year | 197 |
|
| 2 | have been try for [adj] year | 8 |
|
| 3 | [verb] been try for [num] year | 6 |
|
| 4 | have [been] try for [num] year | 6 |
|
| 5 | have been try [prep] [num] year | 6 |
|
| 6 | have [be] try for [num] year | 6 |
|
| 7 | have been try [prep] [num] year | 6 |
|
| 8 | have been try for [num] [noun] | 6 |
|
| 9 | have been try for [num] year | 6 |
|
| 10 | have be try for [num] year | 6 |
|
