| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adv] be [vb pp] [prep] | 17986 |
|
| 2 | should be [vb pp] [prep] | 9543 |
|
| 3 | [adv] should be [vb pp] | 216 |
|
| 4 | [adv] should be [prep] | 10 |
|
