| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should have [vb pp] [adv] | 479 |
|
| 2 | have [vb pp] at [adv] | 69 |
|
| 3 | should have [vb pp] at | 47 |
|
| 4 | should have at [adv] | 23 |
|
