| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] never be forget [that] | 11 |
|
| 2 | it [vb mod] never be forget that | 11 |
|
| 3 | it [vb mod] never be forgotten [that] | 11 |
|
| 4 | it should never be forget [that] | 6 |
|
| 5 | it must never be forget [that] | 5 |
|
