| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | but that [noun] could [be] | 7 |
|
| 2 | but that [noun sg] could [be] | 6 |
|
| 3 | but that could [vb infin] [be] | 8 |
|
| 4 | but that could [verb] [be] | 8 |
|
| 5 | but that could have [be] | 7 |
|
| 6 | but that could have [be] | 7 |
|
| 7 | but that could [adv] [be] | 6 |
|
| 8 | but that could not [be] | 5 |
|
| 9 | but that could [not/n't] [be] | 5 |
|
