| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | i [modal v] have | 9793 |
|
| 2 | [pron] must have | 5556 |
|
| 3 | i must [verb] | 3856 |
|
| 4 | i must [vb infin] | 3853 |
|
| 5 | i must have | 554 |
|
