| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been [verb] for [num] year | 197 |
|
| 2 | have been [v-ing] for [num] year | 104 |
|
| 3 | have been trying for [adj] year | 8 |
|
| 4 | have been trying for [num] [noun] | 6 |
|
| 5 | have been trying for [num] year | 6 |
|
| 6 | [verb] been trying for [num] year | 6 |
|
| 7 | have been try for [num] year | 6 |
|
| 8 | have been trying [prep] [num] year | 6 |
|
| 9 | have been trying [prep] [num] year | 6 |
|
| 10 | have be trying for [num] year | 6 |
|
| 11 | have [be] trying for [num] year | 6 |
|
| 12 | have [been] trying for [num] year | 6 |
|
