| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must be [verb] [prep] | 302 |
|
| 2 | must also be [verb] [prep] | 121 |
|
| 3 | it must also be [verb] | 67 |
|
| 4 | it must also [verb] [prep] | 10 |
|
