| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | have [verb] an [noun] | 321 |
|
| 2 | should have [verb] [noun] | 255 |
|
| 3 | should [verb] an [noun] | 214 |
|
| 4 | should have an [noun] | 53 |
|
| 5 | should have [verb] an | 28 |
|
