| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | than could [vb infin] [be] | 7 |
|
| 2 | than could [vb infin] been | 7 |
|
| 3 | than could [vb infin] be | 7 |
|
| 4 | than could [vb infin] [be] | 7 |
|
| 5 | than could [vb infin] [been] | 7 |
|
| 6 | than could have [be] | 7 |
|
