| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | three years ' [adj] [noun] | 13 |
|
| 2 | three years [unc] [adj] [noun] | 13 |
|
| 3 | three years ' [adj] [noun] | 13 |
|
| 4 | three years ['s] [adj] [noun] | 13 |
|
| 5 | three years [unc] [adj] [noun sg] | 12 |
|
