| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must be [vb pp] that [det] | 82 |
|
| 2 | it must be [vb pp] that [det] | 82 |
|
| 3 | it must be [vb pp] that [det] | 82 |
|
| 4 | it must be [vb pp] that this | 31 |
|
| 5 | it must be remembered that [det] | 23 |
|
| 6 | it must be [vb pp] that these | 20 |
|
| 7 | it must be stressed that [det] | 11 |
|
| 8 | it must be said that [det] | 10 |
|
| 9 | it must be [vb pp] that many | 8 |
|
| 10 | it must be emphasised that [det] | 5 |
|
| 11 | it must be admitted that [det] | 5 |
|
| 12 | it must be [vb pp] that such | 5 |
|
| 13 | it must be noted that [det] | 5 |
|
