| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | been [verb] for [adj] year | 345 |
|
| 2 | been use for [adj] [noun] | 61 |
|
| 3 | been use [prep] [adj] year | 22 |
|
| 4 | been use [prep] [adj] year | 22 |
|
| 5 | [be] use for [adj] year | 18 |
|
| 6 | be use for [adj] year | 18 |
|
| 7 | [been] use for [adj] year | 16 |
|
| 8 | been use for [adj] year | 16 |
|
