| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they [vb mod] be [vb pp] only [prep] | 26 |
|
| 2 | they can be [vb pp] only [prep] | 17 |
|
| 3 | they can be [vb pp] only [prep] | 17 |
|
| 4 | they [modal v] be [vb pp] only by | 12 |
|
| 5 | they could be [vb pp] only [prep] | 6 |
|
| 6 | they could be [vb pp] only [prep] | 6 |
|
| 7 | they [modal v] be [vb pp] only in | 5 |
|
