| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years [vb mod] | 399 |
|
| 2 | 30 [noun] [vb mod] | 46 |
|
| 3 | 30 [noun pl] [vb mod] | 37 |
|
| 4 | 30 years [modal v] | 14 |
|
| 5 | 30 year [vb mod] | 14 |
|
