| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who have [verb] for [adj] years | 21 |
|
| 2 | who have [vb pp] for [adj] years | 21 |
|
| 3 | who have worked for [adj] years | 8 |
|
| 4 | who have work for [adj] years | 8 |
|
| 5 | who have served for [adj] years | 6 |
|
| 6 | who have serve for [adj] years | 6 |
|
