| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [verb] in [noun sg] | 16498 |
|
| 2 | must be [verb] in | 945 |
|
| 3 | must [verb] in [noun sg] | 180 |
|
| 4 | must be in [noun sg] | 110 |
|
| 5 | must be [verb] [noun sg] | 72 |
|
