| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] years ['s] [noun sg] [verb] | 21 |
|
| 2 | [prep] [adj] years ' [noun] [verb] | 21 |
|
| 3 | [prep] [adj] years ['s] [noun] [verb] | 21 |
|
| 4 | [prep] [num] years ['s] [noun] [verb] | 18 |
|
| 5 | of [adj] years ['s] [noun] [verb] | 8 |
|
| 6 | of [adj] years ['s] [noun] [verb] | 8 |
|
| 7 | [prep] [adj] years ['s] service [verb] | 5 |
|
| 8 | [prep] [adj] years ['s] [noun] [v-ing] | 5 |
|
| 9 | [prep] [adj] years ['s] [noun] [to-vb] | 5 |
|
| 10 | [prep] two years ['s] [noun] [verb] | 5 |
|
| 11 | [prep] [adj] years ['s] service [verb] | 5 |
|
| 12 | [prep] two years ['s] [noun] [verb] | 5 |
|
