| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | years [unc] [noun] | 1296 |
|
| 2 | years [unc] [noun sg] | 1250 |
|
| 3 | [noun] [unc] purchase | 65 |
|
| 4 | years [unc] purchase | 7 |
|
| 5 | [noun pl] [unc] purchase | 7 |
|
| 6 | year [unc] purchase | 7 |
|
