| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [be] sure [conj] | 24 |
|
| 2 | could [adv] be sure [conj] | 24 |
|
| 3 | could [adv] [be] sure [conj] | 24 |
|
| 4 | could [adv] be sure [conj] | 24 |
|
| 5 | could not [be] sure [conj] | 19 |
|
| 6 | could [not/n't] [be] sure [conj] | 19 |
|
| 7 | could [adv] [be] sure [that] | 13 |
|
| 8 | could [adv] [be] sure that | 13 |
|
| 9 | could [adv] [be] sure that | 13 |
|
| 10 | could not [be] sure [conj] | 11 |
|
| 11 | could [adv] [be] sure [subord] | 11 |
|
| 12 | could n't [be] sure [conj] | 8 |
|
| 13 | could [adv] [be] sure [conj] | 5 |
|
| 14 | could [adv] [be] sure if | 5 |
|
| 15 | could [adv] [be] sure if | 5 |
|
