| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [be] [adj] | 5056 |
|
| 2 | could [vb infin] [be] | 3102 |
|
| 3 | could [vb infin] [adj] | 2120 |
|
| 4 | could [be] [adj] | 2114 |
|
