| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | for the last four [noun pl] | 41 |
|
| 2 | for the last four years | 30 |
|
| 3 | for the last four year | 30 |
|
| 4 | for the last four month | 5 |
|
| 5 | for the last four months | 5 |
|
