| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must [adv] be [vb pp] that | 75 |
|
| 2 | it must [adv] [be] [vb pp] that | 75 |
|
| 3 | it must [adv] [be] [vb pp] that | 75 |
|
| 4 | it must [adv] be [vb pp] that | 75 |
|
| 5 | it must also [be] [vb pp] that | 46 |
|
| 6 | it must [adv] [be] remembered that | 17 |
|
| 7 | it must [adv] [be] said that | 12 |
|
| 8 | it must [adv] [be] noted that | 7 |
|
| 9 | it must always [be] [vb pp] that | 7 |
|
| 10 | it must [adv] [be] emphasised that | 6 |
|
| 11 | it must never [be] [vb pp] that | 6 |
|
| 12 | it must [adv] [be] recognised that | 6 |
|
| 13 | it must [adv] [be] forgotten that | 5 |
|
