| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [prep] [det] | 48 |
|
| 2 | must be [prep] that | 15 |
|
| 3 | must be in [det] | 11 |
|
| 4 | must be [prep] some | 11 |
|
| 5 | must be in [det] | 11 |
|
| 6 | must be like [det] | 8 |
|
| 7 | must be like [det] | 8 |
|
| 8 | must be [prep] this | 7 |
|
| 9 | must be on [det] | 6 |
|
| 10 | must be on [det] | 6 |
|
| 11 | must be for [det] | 5 |
|
| 12 | must be of [det] | 5 |
|
| 13 | must be of [det] | 5 |
|
| 14 | must be for [det] | 5 |
|
