| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | should be [vb pp] [adv] as | 31 |
|
| 2 | should be [vb pp] [adv] as | 31 |
|
| 3 | should [be] [vb pp] [adv] as | 31 |
|
| 4 | should [be] [vb pp] so as | 23 |
|
