| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [be] used for [adj] years | 12 |
|
| 2 | have [be] used for [adj] years | 12 |
|
| 3 | has [be] used for [adj] years | 7 |
|
| 4 | [vb -s] [be] used for [adj] years | 7 |
|
| 5 | [be] used for [adj] of years | 5 |
|
| 6 | [be] used for [adj] of years | 5 |
|
| 7 | [be] used for [adj] [prep] years | 5 |
|
| 8 | [be] used for [adj] [prep] years | 5 |
|
| 9 | [be] used for [adj] years [prep] | 9 |
|
| 10 | [be] used for [adj] years [prep] | 9 |
|
| 11 | [be] used for [adj] years in | 5 |
|
| 12 | [be] used for [adj] years in | 5 |
|
