| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | two years ' [adj] [noun] | 25 |
|
| 2 | two years ' [adj] [noun] | 25 |
|
| 3 | two years ' [adj] [noun sg] | 24 |
|
| 4 | two years ' [adj] service | 5 |
|
| 5 | two years ' [adj] service | 5 |
|
