| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must [adv] [be] [verb] [conj] | 111 |
|
| 2 | it must [adv] [be] [vb pp] [conj] | 111 |
|
| 3 | it [vb mod] [adv] [be] remembered [conj] | 39 |
|
| 4 | it [modal v] [adv] [be] remembered [conj] | 39 |
|
| 5 | it must [adv] [be] remember [conj] | 17 |
|
| 6 | [pers pn] must [adv] [be] remembered [conj] | 17 |
|
| 7 | it must [adv] [be] remembered [conj] | 17 |
|
| 8 | [pron] must [adv] [be] remembered [conj] | 17 |
|
| 9 | it must [adv] [be] remembered [conj] | 17 |
|
