| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have been use for [det] year | 12 |
|
| 2 | have been use [prep] [det] year | 12 |
|
| 3 | have been used [prep] [det] year | 12 |
|
| 4 | have been use [prep] [det] years | 12 |
|
| 5 | have been use for [det] year | 12 |
|
| 6 | have been use [prep] many year | 11 |
|
| 7 | has been use [prep] [det] year | 7 |
|
