| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [noun prp] [noun] | 70 |
|
| 2 | must be [noun] [noun prp] | 65 |
|
| 3 | must be [noun sg] [noun] | 36 |
|
| 4 | must be [noun] [noun pl] | 22 |
|
| 5 | must be [noun] [noun sg] | 18 |
|
| 6 | must be miss [noun] | 8 |
|
| 7 | must be miss [noun] | 8 |
|
| 8 | must be mr [noun] | 6 |
|
| 9 | must be mr [noun] | 6 |
|
