| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] [prep] [num] year | 240 |
|
| 2 | have been [v-ing] [prep] [num] year | 104 |
|
| 3 | have been trying [prep] [adj] year | 8 |
|
| 4 | have been trying [prep] [num] [noun] | 6 |
|
| 5 | have been try [prep] [num] year | 6 |
|
| 6 | [verb] been trying [prep] [num] year | 6 |
|
| 7 | have [been] trying [prep] [num] year | 6 |
|
| 8 | have been trying [prep] [num] year | 6 |
|
| 9 | have [be] trying [prep] [num] year | 6 |
|
| 10 | have be trying [prep] [num] year | 6 |
|
