| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj -er] years | 367 |
|
| 2 | [prep] years [be] | 53 |
|
| 3 | [adj -er] years [be] | 19 |
|
| 4 | [prep] [adj -er] [be] | 13 |
|
