| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] | 15987 |
|
| 2 | [vb mod] be assume | 235 |
|
| 3 | [modal v] be assume | 235 |
|
| 4 | could be assume | 16 |
|
| 5 | could be assume | 16 |
|
| 6 | could [be] assume | 16 |
|
| 7 | could [be] assume | 16 |
|
