| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must be [det] [noun] | 211 |
|
| 2 | must be [det] [noun sg] | 156 |
|
| 3 | must be some [noun] | 135 |
|
| 4 | must be [det] [noun pl] | 41 |
|
| 5 | must be another [noun] | 20 |
|
| 6 | must be [det] way | 16 |
|
| 7 | must be [det] way | 15 |
|
| 8 | must be many [noun] | 15 |
|
| 9 | must be that [noun] | 11 |
|
| 10 | must be [det] [n mass] | 11 |
|
| 11 | must be [det] people | 10 |
|
| 12 | must be [det] mistake | 10 |
|
| 13 | must be [det] people | 10 |
|
| 14 | must be [det] sort | 10 |
|
| 15 | must be [det] mistake | 10 |
|
| 16 | must be [det] sort | 9 |
|
| 17 | must be [det] kind | 8 |
|
| 18 | must be [det] kind | 8 |
|
| 19 | must be enough [noun] | 7 |
|
| 20 | must be more [noun] | 7 |
|
| 21 | must be [det] reason | 7 |
|
| 22 | must be [det] reason | 6 |
|
| 23 | must be [det] time | 6 |
|
| 24 | must be [det] evidence | 5 |
|
| 25 | must be [det] evidence | 5 |
|
