| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they have [vb pp] a [noun] | 856 |
|
| 2 | should have [vb pp] a [noun] | 120 |
|
| 3 | they should have [vb pp] [noun] | 15 |
|
| 4 | they should have a [noun] | 10 |
|
| 5 | they should have [vb pp] a | 9 |
|
