| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years ' [noun] | 1253 |
|
| 2 | [adj] years ' [noun sg] | 1212 |
|
| 3 | [adj] [noun pl] ' service | 126 |
|
| 4 | [adj] [noun] ' service | 126 |
|
| 5 | [adj] years ' service | 118 |
|
| 6 | [adj] years ' service | 118 |
|
| 7 | [adj] years ['s] service | 118 |
|
| 8 | [adj] years [unc] service | 118 |
|
| 9 | [adj] year ' service | 118 |
|
