| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] [prep] [noun sg] that | 21 |
|
| 2 | must [vb infin] in [noun sg] that | 19 |
|
| 3 | must [vb infin] [prep] mind that | 18 |
|
| 4 | must bear [prep] [noun sg] that | 17 |
|
