| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [vb infin] be [conj] | 15 |
|
| 2 | could [not/n't] [vb infin] [be] [conj] | 9 |
|
| 3 | could not [vb infin] [be] [conj] | 9 |
|
| 4 | could [adv] [vb infin] been [conj] | 8 |
|
| 5 | could [adv] [vb infin] [been] [conj] | 8 |
|
| 6 | could [adv] [vb infin] [be] [subord] | 8 |
|
| 7 | could [adv] have [be] [conj] | 8 |
|
| 8 | could [adv] [vb infin] was [conj] | 7 |
|
| 9 | could [adv] [vb infin] [was/were] [conj] | 7 |
|
| 10 | could [adv] [vb infin] [be] [conj] | 6 |
|
| 11 | could not [vb infin] [be] [conj] | 6 |
|
| 12 | could [adv] [vb infin] [be] that | 6 |
|
| 13 | could [adv] [vb infin] [be] [that] | 6 |
|
| 14 | could [adv] [vb infin] [be] that | 6 |
|
| 15 | could [adv] [vb infin] [be] because | 5 |
|
| 16 | could [adv] [vb infin] [be] because | 5 |
|
