| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [adj] years ['s] [noun] | 721 |
|
| 2 | [prep] three [noun] ['s] [noun] | 194 |
|
| 3 | [prep] three [noun pl] ['s] [noun] | 189 |
|
| 4 | [prep] three year ['s] [noun] | 93 |
|
| 5 | [prep] three years [unc] [noun] | 92 |
|
