| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they can n't be [prep] | 6 |
|
| 2 | they can [not/n't] be [prep] | 6 |
|
| 3 | they ca [adv] be [prep] | 6 |
|
| 4 | they can not be [prep] | 6 |
|
