| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | they must [verb] | 1582 |
|
| 2 | they must [vb infin] | 1579 |
|
| 3 | they [modal v] take | 653 |
|
| 4 | they [vb mod] take | 653 |
|
| 5 | [pron] must take | 352 |
|
| 6 | [pers pn] must take | 330 |
|
| 7 | they must take | 32 |
|
| 8 | they must take | 30 |
|
| 9 | they must take | 30 |
|
