| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it should [verb] a [adj] [noun sg] | 28 |
|
| 2 | it should [vb infin] a [adj] [noun sg] | 28 |
|
| 3 | it should have a [adj] [noun sg] | 9 |
|
| 4 | it should have a [adj] [noun sg] | 9 |
|
