| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb base] [prep] [num ord] year 's [noun] | 9 |
|
| 2 | [vb base] [prep] [num ord] year ['s] [noun] | 9 |
|
| 3 | [vb base] [prep] last year ['s] [noun] | 6 |
|
| 4 | [vb base] [prep] [num ord] year ['s] [noun sg] | 6 |
|
