| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun prp] [modal v] [vb infin] [adj] year | 16 |
|
| 2 | [noun prp] [modal v] [verb] [adj] year | 16 |
|
| 3 | [noun prp] [modal v] [adj] year [verb] | 5 |
|
