| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [prep] be [adj] [be] | 6 |
|
| 2 | [modal v] [prep] be [adj] be | 6 |
|
| 3 | [modal v] to be [adj] [be] | 6 |
|
| 4 | used [prep] be [adj] [be] | 5 |
|
| 5 | used [prep] be [adj] [be] | 5 |
|
