| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | used [prep] [adj] years in | 9 |
|
| 2 | used for [adj] years in | 6 |
|
| 3 | used [prep] many years in | 5 |
|
| 4 | used [prep] [det] years in | 5 |
|
| 5 | used [prep] many years in | 5 |
|
