| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be for the last [num] [noun pl] | 15 |
|
| 2 | been for the last [num] [noun] | 13 |
|
| 3 | be for the last [num] years | 12 |
|
| 4 | be for the last [num] year | 12 |
|
