| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] years [prep] [noun sg] [verb] [pron] | 10 |
|
| 2 | [num] years [prep] [noun sg] [verb] [pron] | 10 |
|
| 3 | [num] years of [noun sg] [verb] [pron] | 8 |
|
| 4 | [num] years of [noun sg] [verb] [pron] | 8 |
|
