| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been used for [adj] year | 12 |
|
| 2 | [verb] been used for [adj] year | 12 |
|
| 3 | [vb -s] been used for [adj] year | 7 |
|
| 4 | has been used for [adj] year | 7 |
|
| 5 | been used for [adj] of year | 5 |
|
| 6 | been used for [adj] [prep] year | 5 |
|
| 7 | been used for [adj] of year | 5 |
|
| 8 | been used for [adj] [prep] year | 5 |
|
| 9 | been used for [adj] year [prep] | 7 |
|
| 10 | been used for [adj] year [prep] | 7 |
|
| 11 | been used for [adj] year in | 5 |
|
| 12 | been used for [adj] year in | 5 |
|
