| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can [adv] [be] doubt | 26 |
|
| 2 | can [adv] [be] [conj] | 26 |
|
| 3 | [adv] [be] doubt [conj] | 10 |
|
| 4 | can [adv] doubt [conj] | 5 |
|
