| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [conj] should be | 41 |
|
| 2 | could [coord] should [be] | 41 |
|
| 3 | could [conj] should [be] | 41 |
|
| 4 | could [conj] should [be] | 41 |
|
| 5 | could and should [be] | 29 |
|
| 6 | could and should [be] | 29 |
|
| 7 | could or should [be] | 11 |
|
| 8 | could or should [be] | 11 |
|
