| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [num] years service | 61 |
|
| 2 | [prep] [num] years service | 61 |
|
| 3 | after [num] years service | 42 |
|
| 4 | after [num] years service | 42 |
|
| 5 | [verb] [num] years service | 24 |
|
| 6 | complete [num] years service | 13 |
|
| 7 | [adv] [num] years service | 13 |
|
| 8 | than [num] years service | 10 |
|
| 9 | [vb pp] [num] years service | 10 |
|
| 10 | [subord] [num] years service | 10 |
|
| 11 | [conj] [num] years service | 10 |
|
| 12 | than [num] years service | 10 |
|
| 13 | with [num] years service | 8 |
|
| 14 | [vb past] [num] years service | 8 |
|
| 15 | with [num] years service | 8 |
|
| 16 | [adv] [num] years service | 8 |
|
| 17 | [pron] [num] years service | 7 |
|
| 18 | completed [num] years service | 7 |
|
| 19 | [adj] [num] years service | 7 |
|
| 20 | [pos pn] [num] years service | 7 |
|
| 21 | up [num] years service | 5 |
|
| 22 | for [num] years service | 5 |
|
| 23 | up [num] years service | 5 |
|
| 24 | [adv prt] [num] years service | 5 |
|
| 25 | [v-ing] [num] years service | 5 |
|
| 26 | have [num] years service | 5 |
|
| 27 | for [num] years service | 5 |
|
| 28 | [num] years ['s] service | 113 |
|
| 29 | [num] years [unc] service | 113 |
|
| 30 | [num] years ' service | 113 |
|
