| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be not referring to | 25 |
|
| 2 | be not referred to | 16 |
|
| 3 | was not refer to | 14 |
|
| 4 | am not refer to | 9 |
|
| 5 | are not refer to | 7 |
|
| 6 | is not refer to | 7 |
|
