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