| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must be [prep] [noun sg] | 19 |
|
| 2 | it must be [prep] [noun sg] | 19 |
|
| 3 | it [vb mod] be for [noun sg] | 15 |
|
| 4 | it [modal v] be for [noun sg] | 15 |
|
| 5 | it must be for [noun] | 13 |
|
| 6 | [pron] must be for [noun sg] | 6 |
|
| 7 | it must be for [noun sg] | 6 |
|
| 8 | it must [be] for [noun sg] | 6 |
|
| 9 | it must be for [noun sg] | 6 |
|
