| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] [prep] seven years | 203 |
|
| 2 | [noun] [prep] years [unc] | 28 |
|
| 3 | [prep] seven years [unc] | 27 |
|
| 4 | [noun] [prep] seven [unc] | 12 |
|
