| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [vb pp] [adv] [adv] [to-vb] | 34 |
|
| 2 | [vb mod] be [vb pp] [adv] [adv] [to-vb] | 34 |
|
| 3 | can be [vb pp] [adv] [adv] [to-vb] | 12 |
|
| 4 | can be [vb pp] [adv] [adv] [to-vb] | 12 |
|
| 5 | should be [vb pp] [adv] [adv] [to-vb] | 8 |
|
| 6 | should be [vb pp] [adv] [adv] [to-vb] | 8 |
|
| 7 | [modal v] be used [adv] [adv] [to-vb] | 7 |
|
| 8 | could be [vb pp] [adv] [adv] [to-vb] | 6 |
|
| 9 | could be [vb pp] [adv] [adv] [to-vb] | 6 |
|
| 10 | [modal v] be [vb pp] more [adv] [to-vb] | 6 |
|
