| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [num] [adj] years ' [noun] | 25 |
|
| 2 | [num] [adj] years ['s] [noun sg] | 19 |
|
| 3 | [num] [num] years ['s] [noun] | 15 |
|
| 4 | [num] five years ['s] [noun] | 8 |
|
| 5 | [num] five years ['s] [noun] | 8 |
|
| 6 | twenty [adj] years ['s] [noun] | 7 |
|
| 7 | [num] [adj] years ['s] [noun] | 7 |
|
| 8 | [num] [adj] years ['s] [noun pl] | 5 |
|
| 9 | thirty [adj] years ['s] [noun] | 5 |
|
| 10 | [num] [adj] years ['s] service | 5 |
|
| 11 | [num] [adj] years ['s] service | 5 |
|
