| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | shall [vb infin] at [art] | 48 |
|
| 2 | shall [verb] at the | 38 |
|
| 3 | shall look at [art] | 35 |
|
| 4 | shall look at [art] | 35 |
|
| 5 | shall [verb] at a | 9 |
|
