| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] | 15990 |
|
| 2 | [vb mod] be take | 3093 |
|
| 3 | [modal v] be take | 3093 |
|
| 4 | could be take | 218 |
|
| 5 | could [be] take | 218 |
|
