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