| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must [be] a [noun] for | 5 |
|
| 2 | it must be [art] [noun] for | 5 |
|
| 3 | it must [be] [art] [noun] for | 5 |
|
| 4 | it must [be] [art] [noun sg] for | 5 |
|
| 5 | it must [be] a [noun] for | 5 |
|
| 6 | it must [be] [art] [noun] for | 5 |
|
| 7 | it must [be] [art] [noun] for | 5 |
|
| 8 | it must be [art] [noun] for | 5 |
|
| 9 | it must [be] [art] [noun] for | 5 |
|
