| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be used for [adj] years | 17 |
|
| 2 | been used for [adj] year | 15 |
|
| 3 | be used for [det] year | 14 |
|
| 4 | be used for many year | 12 |
|
| 5 | be used for many year | 12 |
|
