| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | last [num] year ['s] [noun] | 7 |
|
| 2 | last [num] year ' [noun] | 6 |
|
| 3 | last [num] year ['s] [noun sg] | 6 |
|
| 4 | last [num] years ['s] [noun] | 6 |
|
