| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] they must | 92 |
|
| 2 | [Wh det] they must | 68 |
|
| 3 | which they must | 44 |
|
| 4 | which they must | 44 |
|
| 5 | what they must | 24 |
|
| 6 | what they must | 24 |
|
| 7 | [pers pn] they must | 19 |
|
| 8 | they they must | 9 |
|
| 9 | them they must | 7 |
|
