| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [verb] [prep] [art] three year | 23 |
|
| 2 | [verb] [prep] a three year | 17 |
|
| 3 | [vb pp] [prep] [art] three year | 13 |
|
| 4 | [verb] [prep] the three year | 6 |
|
