| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but it could [vb infin] | 115 |
|
| 2 | but it could have | 41 |
|
| 3 | but it could happen | 9 |
|
| 4 | but it could take | 5 |
|
| 5 | but it could do | 5 |
|
