| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it must [verb] [vb pp] a | 32 |
|
| 2 | it must [verb] [verb] a | 32 |
|
| 3 | it [modal v] [verb] taken a | 25 |
|
| 4 | [pron] must [verb] taken a | 16 |
|
| 5 | [pers pn] must [verb] taken a | 16 |
|
| 6 | it must [verb] taken [art] | 8 |
|
| 7 | it must [verb] taken a | 8 |
|
| 8 | it must [verb] take a | 8 |
|
| 9 | it must [verb] taken [art] | 8 |
|
| 10 | it must [verb] taken a | 8 |
|
