| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [been] use for [det] years [prep] | 7 |
|
| 2 | [been] use for many year [prep] | 7 |
|
| 3 | [been] used for [det] year [prep] | 7 |
|
| 4 | been use for [det] year [prep] | 7 |
|
| 5 | [been] use for [det] year in | 5 |
|
