| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | in four years [noun] | 10 |
|
| 2 | in four year [noun] | 10 |
|
| 3 | in four year time | 7 |
|
| 4 | in four year time | 7 |
|
| 5 | in four year [noun sg] | 7 |
|
