| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | this must [be] [Wh adv] [noun] | 5 |
|
| 2 | this must be [adv] [noun] | 5 |
|
| 3 | this must [be] [adv] [noun] | 5 |
|
| 4 | this must [be] [adv] [noun] | 5 |
|
| 5 | this must [be] [adv] [noun] | 5 |
|
| 6 | this must be [adv] [noun] | 5 |
|
