| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [vb base] they must [verb] | 28 |
|
| 2 | i [vb base] they must [vb infin] | 28 |
|
| 3 | i [vb base] they must have | 18 |
|
| 4 | i [vb base] they must have | 17 |
|
| 5 | i think they must [verb] | 11 |
|
| 6 | i mean they must [verb] | 7 |
|
