| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] must let they [vb infin] | 5 |
|
| 2 | must [adv] let they [vb infin] | 6 |
|
| 3 | must [not/n't] let they [vb infin] | 5 |
|
| 4 | must not let they [vb infin] | 5 |
|
