| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [prep] five years | 187 |
|
| 2 | [num] [prep] five years | 108 |
|
| 3 | four [prep] five [noun] | 90 |
|
| 4 | four [prep] five [noun pl] | 82 |
|
| 5 | four [prep] [adj] years | 46 |
|
| 6 | four [prep] five year | 25 |
|
| 7 | four [prep] five years | 24 |
|
| 8 | four [prep] five years | 24 |
|
