| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [adv] be [adj] | 40 |
|
| 2 | could [not/n't] [adv] [be] [adj] | 20 |
|
| 3 | could [adv] [adv] [be] [adj] | 20 |
|
| 4 | could not [adv] [be] [adj] | 20 |
|
| 5 | could n't [adv] [be] [adj] | 10 |
|
| 6 | could not [adv] [be] [adj] | 10 |
|
| 7 | could [adv] possibly [be] [adj] | 9 |
|
| 8 | could no [adv] [be] [adj] | 7 |
|
| 9 | could no [adv] [be] [adj] | 7 |
|
| 10 | could [adv] longer [be] [adj] | 7 |
|
| 11 | could [adv] [adv] [be] sure | 6 |
|
