| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [vb pp] [adv] [adj] | 1783 |
|
| 2 | should be [vb pp] [adv] | 1580 |
|
| 3 | should be [adv] [adj] | 899 |
|
| 4 | should be [vb pp] [adj] | 426 |
|
