| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but they [modal v] be [vb pp] [adv] | 16 |
|
| 2 | but they [vb mod] be [vb pp] [adv] | 16 |
|
| 3 | but they should be [vb pp] [adv] | 5 |
|
| 4 | but they should be [vb pp] [adv] | 5 |
|
