| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] three years [unc] [noun] [prep] | 21 |
|
| 2 | [prep] three years [unc] [noun] [prep] | 21 |
|
| 3 | to three years [unc] [noun] [prep] | 8 |
|
| 4 | to three years [unc] [noun] [prep] | 8 |
|
| 5 | of three years [unc] [noun] [prep] | 7 |
|
| 6 | of three years [unc] [noun] [prep] | 7 |
|
| 7 | [adv] three years [unc] [noun] [prep] | 5 |
|
| 8 | [adv] three years [unc] [noun] [prep] | 5 |
|
| 9 | three years [unc] [noun] [prep] [art] | 12 |
|
| 10 | three years [unc] [noun] [prep] [art] | 12 |
|
| 11 | three years [unc] [noun] [prep] [noun] | 8 |
|
| 12 | three years [unc] [noun] [prep] [adj] | 7 |
|
| 13 | three years [unc] [noun] [prep] the | 6 |
|
| 14 | three years [unc] [noun] [prep] a | 6 |
|
| 15 | three years [unc] [noun] [prep] the | 6 |
|
| 16 | three years [unc] [noun] [prep] a | 6 |
|
| 17 | three years [unc] [noun] [prep] [adj] | 5 |
|
