| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [prep] [noun sg] | 182 |
|
| 2 | must be [prep] [noun sg] | 182 |
|
| 3 | must be [prep] [noun sg] | 182 |
|
| 4 | must be in [noun sg] | 110 |
|
| 5 | must be in [noun sg] | 110 |
|
| 6 | must be [prep] writing | 16 |
|
| 7 | must be at [noun sg] | 13 |
|
| 8 | must be on [noun sg] | 13 |
|
| 9 | must be at [noun sg] | 13 |
|
| 10 | must be on [noun sg] | 13 |
|
| 11 | must be for [noun sg] | 12 |
|
| 12 | must be for [noun sg] | 12 |
|
| 13 | must be [prep] place | 11 |
|
| 14 | must be of [noun sg] | 9 |
|
| 15 | must be of [noun sg] | 9 |
|
| 16 | must be [prep] possession | 9 |
|
| 17 | must be [prep] love | 8 |
|
| 18 | must be [prep] parliament | 6 |
|
| 19 | must be [prep] doubt | 5 |
|
| 20 | must be by [noun sg] | 5 |
|
| 21 | must be by [noun sg] | 5 |
|
| 22 | must be [prep] hand | 5 |
|
| 23 | must be [prep] cash | 5 |
|
