| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should [vb infin] for [adj] year | 7 |
|
| 2 | should [verb] for [adj] years | 6 |
|
| 3 | should last for [adj] year | 6 |
|
| 4 | should last for [adj] year | 6 |
|
