| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | we must [verb] of | 31 |
|
| 2 | we must [vb infin] of | 31 |
|
| 3 | we must beware of | 15 |
|
| 4 | we must beware of | 15 |
|
| 5 | we must think of | 13 |
|
| 6 | we must think of | 13 |
|
