| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] take two year | 11 |
|
| 2 | [vb mod] take two year | 11 |
|
| 3 | take two year [verb] | 7 |
|
| 4 | take two year [to-vb] | 7 |
|
