| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should have be [vb pp] | 747 |
|
| 2 | should have [vb pp] [det] | 231 |
|
| 3 | should be [vb pp] [det] | 104 |
|
| 4 | have be [vb pp] [det] | 52 |
|
| 5 | should have be [det] | 13 |
|
