| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [vb pp] a [adj] | 1212 |
|
| 2 | should have [vb pp] [adj] | 363 |
|
| 3 | should have a [adj] | 289 |
|
| 4 | should have [vb pp] a | 188 |
|
