| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun sg] must be [prep] | 327 |
|
| 2 | [noun sg] must be taken | 251 |
|
| 3 | must be taken [prep] | 180 |
|
| 4 | [noun sg] be taken [prep] | 28 |
|
