| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] of | 104 |
|
| 2 | must think of | 39 |
|
| 3 | must think of | 39 |
|
| 4 | must beware of | 24 |
|
| 5 | must beware of | 24 |
|
| 6 | must consist of | 15 |
|
| 7 | must consist of | 15 |
|
| 8 | must know of | 5 |
|
| 9 | must know of | 5 |
|
