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