| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [vb mod] be recalled that | 45 |
|
| 2 | it [vb mod] [be] recalled that | 45 |
|
| 3 | it will [be] recalled that | 26 |
|
| 4 | it should [be] recalled that | 10 |
|
| 5 | it may [be] recalled that | 6 |
|
