| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | be [v-ing] the [noun] | 1488 |
|
| 2 | must be the [noun] | 417 |
|
| 3 | must be [v-ing] [noun] | 36 |
|
| 4 | must be [v-ing] the | 25 |
|
