| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they should [be] [vb pp] | 703 |
|
| 2 | and they [be] [vb pp] | 630 |
|
| 3 | and should [be] [vb pp] | 602 |
|
| 4 | and they should [be] | 47 |
|
