| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [vb pp] [art] [noun] | 80 |
|
| 2 | must be [vb pp] [art] [noun] | 80 |
|
| 3 | must be [vb pp] [art] [noun sg] | 71 |
|
| 4 | must be [vb pp] the [noun] | 44 |
|
| 5 | must be [vb pp] the [noun] | 44 |
|
| 6 | must be given [art] [noun] | 28 |
|
| 7 | must be [vb pp] a [noun] | 27 |
|
| 8 | must be [vb pp] a [noun] | 21 |
|
| 9 | must be [vb pp] [art] [noun pl] | 8 |
|
| 10 | must be set [art] [noun] | 8 |
|
| 11 | must be [vb pp] every [noun] | 8 |
|
| 12 | must be [vb pp] every [noun] | 8 |
|
| 13 | must be added [art] [noun] | 6 |
|
| 14 | must be [vb pp] [art] chance | 6 |
|
| 15 | must be [vb pp] an [noun] | 6 |
|
| 16 | must be [vb pp] [art] chance | 6 |
|
| 17 | must be [vb pp] [art] cost | 6 |
|
| 18 | must be shown [art] [noun] | 5 |
|
