| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [be] take [prep] [det] | 6 |
|
| 2 | must be take [prep] [det] | 6 |
|
| 3 | must [be] take [prep] [det] | 6 |
|
| 4 | must be take [prep] [det] | 6 |
|
| 5 | must [be] taken [prep] [det] | 6 |
|
