| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] years ' [noun sg] [modal v] | 10 |
|
| 2 | [adj] years [noun sg] [modal v] [vb infin] | 8 |
|
| 3 | years ' [noun sg] [modal v] [vb infin] | 5 |
|
