| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] for [art] | 115 |
|
| 2 | must [verb] for [art] | 115 |
|
| 3 | must look [prep] [art] | 81 |
|
| 4 | [modal v] look for [art] | 62 |
|
| 5 | must look for [art] | 11 |
|
| 6 | must look for [art] | 11 |
|
