| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | can [not/n't] be ruled [adv prt] | 37 |
|
| 2 | can [not/n't] be ruled out | 37 |
|
| 3 | can not be ruled [adv] | 37 |
|
| 4 | can [not/n't] be ruled out | 37 |
|
