| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [art] [adj] years [unc] | 64 |
|
| 2 | [prep] [art] [num] years [unc] | 35 |
|
| 3 | [prep] [art] seven [noun] [unc] | 9 |
|
| 4 | [prep] [art] seven [noun pl] [unc] | 7 |
|
| 5 | [prep] [art] seven year [unc] | 5 |
|
| 6 | [prep] [art] seven years [unc] | 5 |
|
| 7 | [prep] [art] seven years [unc] | 5 |
|
