| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] do [adj] year | 10 |
|
| 2 | [modal v] do [adj] year | 9 |
|
| 3 | [modal v] do [adj] years | 6 |
|
| 4 | [modal v] do [num] year | 6 |
|
