| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | seven years [unc] [noun sg] | 44 |
|
| 2 | [prep] seven years [unc] | 27 |
|
| 3 | [prep] years [unc] [noun sg] | 20 |
|
| 4 | [prep] seven years [noun sg] | 15 |
|
