| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [vb pp] that the | 182 |
|
| 2 | must be [vb pp] that the | 182 |
|
| 3 | must be remembered that the | 31 |
|
| 4 | must be said that the | 22 |
|
| 5 | must be stressed that the | 19 |
|
| 6 | must be shown that the | 10 |
|
| 7 | must be admitted that the | 10 |
|
| 8 | must be emphasised that the | 9 |
|
| 9 | must be recognised that the | 8 |
|
| 10 | must be taken that the | 7 |
|
| 11 | must be noted that the | 7 |
|
| 12 | must be assumed that the | 5 |
|
