| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [det] [noun] ['s] [noun] | 143 |
|
| 2 | [prep] a [det] [noun pl] ['s] [noun] | 131 |
|
| 3 | [prep] a [adj] years ['s] [noun] | 34 |
|
| 4 | [prep] a [det] year ['s] [noun] | 29 |
|
| 5 | [prep] [art] [det] years ['s] [noun] | 27 |
|
| 6 | [prep] a [det] years ['s] [noun] | 27 |
|
| 7 | [prep] a [det] years [unc] [noun] | 27 |
|
