| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] over the [num ord] 40 years | 11 |
|
| 2 | [noun sg] over the [num ord] 40 year | 7 |
|
| 3 | [noun] over the next 40 year | 6 |
|
| 4 | [noun] over the last 40 year | 5 |
|
