| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | must [vb infin] at least [adj] | 80 |
|
| 2 | must [verb] at least [adj] | 80 |
|
| 3 | must [verb] at least [adj] | 80 |
|
| 4 | must [verb] at least [num] | 73 |
|
| 5 | must [verb] at least one | 33 |
|
| 6 | must [verb] at least one | 33 |
|
| 7 | must have at least [adj] | 21 |
|
| 8 | must have at least [adj] | 21 |
|
| 9 | must [verb] at least two | 10 |
|
| 10 | must [verb] at least two | 10 |
|
| 11 | must include at least [adj] | 8 |
|
| 12 | must include at least [adj] | 8 |
|
| 13 | must [verb] at least [det] | 7 |
|
| 14 | must take at least [adj] | 7 |
|
| 15 | must take at least [adj] | 7 |
|
| 16 | must [verb] at least three | 5 |
|
| 17 | must [verb] at least three | 5 |
|
