| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] [adv] be forgotten that | 55 |
|
| 2 | it [vb mod] not be forget that | 44 |
|
| 3 | it [vb mod] [not/n't] be forget that | 44 |
|
| 4 | it [vb mod] not be forget that | 44 |
|
| 5 | it should [adv] be forget that | 38 |
|
| 6 | it must [adv] be forget that | 17 |
|
| 7 | it [vb mod] never be forget that | 11 |
|
| 8 | it [vb mod] [adv] be forget that | 11 |
|
| 9 | it [vb mod] never be forget that | 11 |
|
